Insert Systems - Stanley Engineered Fastening

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Insert Systems - Stanley Engineered Fastening
Insert Systems
At
Emhart Teknologies
, creating the future is about growth,
about change and about taking risks. It is who we are and what we do. Our focus is to reduce the
overall product assembly costs of our customers by anticipating needs and meeting those needs with
technology and market-driven solutions.
Emhart is a global leader in the design and creation of unique assembly technologies, delivering depth
and breadth of service and product through a flexible, cross-functional global organization.
Owning The Customer’s Total Experience
We provide every customer with the capability to satisfy every aspect of fastening and assembly
technology. From concept through installation, around the corner and around the globe, Emhart
Creating the Future Worldwide.
develops and delivers solutions for challenging assembly applications.
Technology Optimization
Emhart has the ability to objectively match customer priorities, applications and manufacturing
environment with the most appropriate assembly technology and fastening systems. We provide this
capability through Application Engineers, and Mobile, Stationary and Virtual Innovation Centers located
around the world. Each is capable of sharing application data and new design concepts with each other
as well as with our customers.
System Integration
Emhart provides technological solutions in over 100 different countries. For each of these countries and
for every application, we deliver innovative, integrated systems solutions from concept and design
through system integration, worldwide.
Product Consultancy
Emhart employs Application Analysis and Value Engineering to demonstrate how our technology can
enhance the assembly process, and Value Analysis to detail the cost/benefit relationship of applying
our technologies.
Innovative Services
Emhart is infused with the spirit and culture of innovation. From our Stationary Innovation Centers to
our unique Mobile Innovation Centers, Emhart
has built a worldwide service and technology
infrastructure to support our customers,
24 hours a day, seven days a week.
DODGE GRIPCO HELI-COIL NPR PARKER-KALON POP TUCKER WARREN
®
Wire Inserts
®
Heli-Coil
precision formed wire inserts are readily recognized and
highly regarded products in the industry. Since its inception in 1938, Heli-Coil has
been identified as an industry leader offering products with superior performance,
reliability and integrity.
Our strict quality programs ensure that we meet the latest industry standards of
AS9100 Rev. B, ISO 9001: 2000 and ISO/TS 16949: 2002. A comprehensive
Business Management System elevates our quality levels well above our
competitors.
Heli-Coil wire inserts are manufactured with over 70 years of experience. We
are dedicated to exceeding our customers' expectations by providing innovative
value-added design and engineering services, on-time deliveries and excellent
customer service support. Heli-Coil is committed to developing superior products
manufactured to only the highest quality standards. We are more than just a
supplier, we are a business partner.
Heli-Coil® is a registered trademark of Emhart® Teknologies.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
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3
Table of Contents
Page
UʘÃiÀÌʘvœÀ“>̈œ˜ÊEÊ-«iVˆwV>̈œ˜Ã
General Description of Heli-Coil Inserts...............................
Types of Inserts.........................................................................
Features & Benefits .................................................................
Screw Locking Inserts.............................................................
Hi-Torque Inserts......................................................................
Stud Lock Inserts......................................................................
Industry Standards and Specifications ................................
Coatings & Plating....................................................................
Insert Material ..........................................................................
Torque Data ...............................................................................
Design Data...............................................................................
ƒ Assembly Strength
ƒ Corrosion Protection
Tanged Insert Specifications, Inch & Metric ......................
Tangless Insert Specifications...............................................
Thread Repair Kits and Master Sets.....................................
5
5
6
7
7
7
7-8
8
9
10
11
12-13
14
15
UʘÃiÀÌʘÃÌ>>̈œ˜
Assembly Design......................................................................
Engineering Data......................................................................
ƒ Drilling, Countersinking, Tapping, Gaging
Drilling Data, Inch & Metric....................................................
Tapping Data, Inch & Metric ..................................................
STI Tap Part Numbers, Inch ...................................................
STI Tap Dimensions, Inch .......................................................
STI Tap Part Numbers, Metric................................................
STI Tap Dimensions, Metric....................................................
Gages, Inch................................................................................
Gages, Metric ...........................................................................
16
17
18-19
20-21
22
23
24
25
26
27
UʘÃÌ>>̈œ˜Ê/œœˆ˜}
Types of Tools, Tool Service....................................................
Hand Inserting Tools ................................................................
Power Inserting Tools, Inch & Metric...................................
Tang Removal Tools .................................................................
Tangless Tools...........................................................................
28
29
30-32
33
34
HeliCoil® Tangless® inserts are licensed from Kato.
The descriptions, specifications and other claims made with respect to the products featured in this catalog
are made as of the date of printing. Emhart retains the right to discontinue production or make improvements
or other changes to any of its products without notice.
4
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!32EV"s)3/
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www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® screw thread inserts
Types of Inserts
There are two styles of
Heli-Coil inserts. The
STANDARD or Free Running
Insert – available in both
Tanged and Tangless – which
provides a smooth free-running
thread; and SCREW-LOCK –
available in both Tanged and
Tangless – which provides selflocking torque on the male
member by a series of “chords”
on one or more of the insert
coils. They are available in inch
series, coarse and fine and
metric series, coarse and fine.
Inch series Screw-Lock inserts
are dyed red for identification.
Heli-Coil inserts are precision
formed coils of extremely hard,
diamond shaped 304 stainless
steel. When installed into an
STI tapped hole, they provide
permanent conventional 60°
internal screw threads. This
assembled insert accommodates
any standard bolt or screw as
per MIL-S-7742 and AS8879
(UNJ controlled root radius). See
page 9 for material availability.
Heli-Coil inserts are larger in
diameter before installation
than the tapped hole. During
installation the inserting tool
applies torque to the tang
reducing the diameter of the
leading coil permitting it to
enter the tapped thread. After
installation, each high tensile
coil of the insert expands
outward with a spring-like
action permanently anchoring
the insert.
Illustration of the Retention Principle
Standard Heli-Coil Insert
Tanged Size Range:
• UNC #1 through 1-1/2
• UNF #2 through 1-1/2
• Metric Coarse M2 through M39
• Metric Fine M8 through M39
Inserts are also available in UNEF,
UNS, 8UN, 12UN, 16UN, Spark
Plug and Pipe Thread.
Tangless Heli-Coil Insert
Tangless Size Range:
Screw-Lock Heli-Coil Insert
Emhart Teknologies, Shelton, CT • Tel. (877) EMHART-1 • Fax (800) 225-5614
Canada (514) 351-0330 • Mexico +52-55-5326-7100
• UNC #2 through 1/4
• UNF #10 and 1/4
www.emhart.com
CERTIFIED
AS 9100 Rev. B • ISO 9001:
2000• ISO/TS 16949: 2002
5
Heli-Coil® ÊÃVÀiÜÊ̅Ài>`ʈ˜ÃiÀÌÃÊ
/1,-ÊEÊ /-°°°
iˆ‡
œˆÊˆ˜ÃiÀÌÃÊ«ÀœÛˆ`i a
positive means for protecting and
strengthening tapped threads in any
material. The unique design features
of the insert offer many benefits.
UÊ -ÌÀœ˜}iÀÊÃÃi“Lˆið
Tapped threads are strengthened
because the inherent flexibility
of the insert provides a more
balanced distribution of dynamic
and static loads throughout the
length of thread engagement.
This flexibility also compensates
for variation in lead and angle
error allowing each coil to carry
its share of the load.
UÊ
œÊ/…Ài>`Ê7i>À°
Thread life is dramatically
increased even after repeated
assembly and disassembly
because the insert hardness
and surface finish practically
eliminate erosion of the
thread form due to friction.
UÊ œÀÀœÃˆœ˜Ê,iÈÃÌ>˜Vi°
Under normal environmental
conditions, Heli-Coil inserts
minimize galvanic action
within the threaded assembly
because of their superior
corrosion resistance.
UÊ iÈ}˜Êi݈LˆˆÌÞ°
Bolt tensile strength can be
balanced against parent material
shear strength, assuring bolt
failure rather than parent
material damage. Five insert
lengths are available in each
thread size.
place – the outward spring-like
action of the insert holds it in
place.
UÊ ˆ˜ˆ“ˆâiÊ-«>ViÊEÊ7iˆ}…Ì°
Heli-Coil inserts allow use of
smaller bosses, flanges and
fasteners than any other insert.
Heli-Coil inserts can generally
be incorporated in existing
designs, where no provision
has been made for an insert,
without increasing boss size.
UÊ ˆ˜ˆ“ˆâiÊ/œÌ>Ê
œÃÌ°
Cost savings abound. Lower
insert cost, lower installation
cost and Heli-Coil inserts
provide design flexibility by
allowing a wide choice of
parent materials while
maintaining maximum
threaded assembly strength.
UÊ /ÀÕiÊ
>“«ˆ˜}Ê/œÀµÕi°
Maximum clamping action and
bolt tension are assured with
minimum wrench torque because
of the mirror-smooth surface
finish of Heli-Coil inserts.
UÊ 7ˆ`iÊ/i“«iÀ>ÌÕÀiÊ,>˜}i°
Heli-Coil stainless steel inserts
can be used in temperatures
ranging from –320°F to +800°F.
UÊ +Õ>ˆÌÞÊEÊ,iˆ>LˆˆÌÞ°
Stringent Quality Assurance
and Engineering Standards are
rigidly enforced in all phases of
the manufacturing process.
This assures integrity of your
product design.
UÊ ˆ“ˆ˜>ÌiÊ-ÌÀiÃð
Virtually no stress is introduced
into the parent material
because there is no staking,
locking, swaging or keying in
6
CERTIFIED
!32EV"s)3/
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www.emhart.com
ˆ}…Ê*Àœ`ÕV̈œ˜
Heli-Coil inserts are available
mounted on plastic strips and wound
onto reels (500 or 1000 inserts
per reel). With power installation
tooling, use of strip feed inserts will
substantially increase installation
rates by minimizing handling.
1˜ˆÛiÀÃ>ÊVVi«Ì>˜Vi
Heli-Coil Standard and Screw-lock
Inserts are the original – and have
an extensive background of tension,
torque, shear, vibration and fatigue
tests conducted by American
industry’s leading companies as
well as the U.S. Military. Successful
applications in the fields of aviation,
electronics, industrial, automotive
and military equipment provide a
wealth of experience and confidence
in the performance and reliability of
Heli-Coil inserts.
/œÌ>ÊiÈ}˜Ê-iÀۈVi
In addition to the benefits listed
above, Heli-Coil provides a wide
range of support to solve fastening
problems. This manual is one of them
– the following pages are presented
in a manner to make it easy to
“design-in” Heli-Coil inserts to take
advantage of the extraordinary
benefits they provide.
Additionally, our Sales Engineers,
Applications Engineers and
Design Engineers are available for
consultation for specific designs.
When the product gets to the
manufacturing phase, our extensive
experience in production tooling and
installation techniques ensures that
you can indeed make your product
better with Heli-Coil inserts.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® screw locking thread inserts
Heli-Coil offers three types of
œVŽˆ˜}ʘÃiÀÌÃÊvœÀʓՏ̈«iÊ
applications…
LOCKING FEATURES & BENEFITS…
Screw-Lock Inserts:
sPositive self-locking torque,
complying with NASM8846
and MA1565.
UÊ ÊÀiȏˆi˜ÌʏœVŽˆ˜}ʓiV…>˜ˆÃ“ÊÊÊ
(applies to Heli-Coil screw-lock
inserts) that grips the bolt and
prevents it from loosening
under vibration or impact.
UÊ ,i«i>Ìi`Ê>ÃÃi“LÞÊ>˜`Ê
disassembly without appreciable
loss of self-locking torque.
UÊ ->ۈ˜}Ãʈ˜Êë>Vi]ÊÜiˆ}…ÌÊ>˜`ÊÊ Ê
money, through the elimination
of lock wiring, lock nuts, lock
washers, chemical compounds,
plastic pellets/patches and other
locking mechanisms.
Locks Adjusment
Screws. This simple
design allows
permanent, positive
adjustment of screws
in any position,
secure against
vibration or impact.
Stud-Lock Inserts:
s Highest prevailing torque insert
available.
UÊ ˜>LiÃÊÕÃiʜvÊ̅Ài>`i`ÊÀœ`ÊvœÀÊÊ
space-saving stud applications.
UÊ œÜÃÊvœÀÊ>˜ÞÊV>ÃÃÊwÌʜvÊÊ
Ê
threaded rod.
UÊ ˆ“ˆ˜>ÌiÃʈ˜Vœ˜ÃˆÃÌi˜VˆiÃÊÊ Ê
Ê V>ÕÃi`ÊLÞʈ˜ÌiÀviÀi˜Vi‡wÌÊÃÌÕ`ð
UÊ Û>ˆ>LiÊvœÀÊLœÌ…ÊÃÌÀ>ˆ}…ÌÊ>˜`ÊÊ
Ê ÃÌi«ÊÃÌÕ`Ã]ʛ£äÊ̅ÀœÕ}…Ê£ÉÓ¸ÊÊ Ê
UNC and UNF.
UÊ iiÌÃÊAS1229, AS3080, 3081,
3082, 3083
Lock Set Screws.
Positively locks
assembly against
loosening at desired
adjustment –
protects threads
against stripping
under high torque –
permits use of light
housing materials.
The locking action is achieved by one or more of the insert
coils having a series of straight segments or “chords”. When
the bolt enters the “grip”ÊVœˆ]Ê̅iÃiÊV…œÀ`>ÊÃi}“i˜ÌÃÊyiÝÊ
œÕÌÜ>À`]ÊVÀi>̈˜}Ê«ÀiÃÃÕÀiʜ˜Ê̅iÊLœÌ°Ê/…iÊ«ÀiÃÃÕÀiʈÃÊiÝiÀÌi`Ê
LiÌÜii˜Ê̅iÊy>˜ŽÃʜvÊ̅iÊLœÌÊ̅Ài>`Ê̜ÊiÃÌ>LˆÃ…Ê>˜ÊiÝÌi˜ÃˆÛiÊ
positive and consistent self-locking torque over more cycles
than any other prevailing torque mechanism.
Hi-Torque Inserts:
UÊ -ˆ“ˆ>ÀÊ̜Ê-VÀi܇œVŽÊiÝVi«ÌÊÊ
higher prevailing torque
compensates for reduced friction
in highly lubricated applications.
UÊ `i>ÊvœÀʅˆ}…iÀÊۈLÀ>̈œ˜ÊÊ
Ê
applications.
UÊ ««ÀœÝˆ“>ÌiÊ{ä¯Êˆ˜VÀi>Ãiʈ˜ÊÊÊ
prevailing torque levels.
UÊ Û>ˆ>Liʈ˜Ê›£äÊ̅ÀœÕ}…ÊÎÉn¸ÊÊ Ê
UNF only.
UÊ iiÌÃÊAS1394, AS3094,
3095, 3096, 3097.
Inaccessible or
Miniaturized
Assemblies. Heli-Coil
-VÀi܇œVŽÊˆ˜ÃiÀÌÃÊ
permit the installation
of the lock from the
front or top. No blind
fumbling for assembly
of lock washers or
lock nuts behind or
underneath.
Heli-Coil® industry standards
Industry Standards
Heli-Coil inserts and tooling comply with the following Standards and
-«iVˆwV>̈œ˜Ã\
U NASM122076 thru NASM122275.
Ê ˜ÃiÀÌ]ÊVœÀÀœÃˆœ˜ÊÀiÈÃÌ>˜ÌÊÊ
Ê
Helical Coil Coarse Thread
Ê ­˜V…Ê-iÀˆiî
UÊ £xÈǰʘÃiÀÌ]Ê-VÀiÜÊÊ
Ê
Thread, Helical Coil (Metric
Series), Standard Dimensions,
Assembly
U NASM124651 thru NASM124850.
Ê ˜ÃiÀÌ]ÊVœÀÀœÃˆœ˜ÊÀiÈÃÌ>˜ÌÊiˆV>ÊÊ
Ê œˆÊˆ˜iÊ/…Ài>`Ê­˜V…Ê-iÀˆiî
UÊ ÎÓǙ]ÊÎÓnä]ÊÎÓn£°Ê˜ÃiÀÌ]ÊÊ Ê
Screw Thread, Helical Coil, Free
Ê ,՘˜ˆ˜}Ê­iÌÀˆVÊ-iÀˆiî
UÊ -Ó£Ó䙰ʘÃiÀÌ]Ê-VÀiÜÊÊ Ê
Ê /…Ài>`ÊqÊ-ivʜVŽˆ˜}Ê­˜V…ÊÊ Ê
Series)
UÊ ÎÎә]ÊÎÎÎä]ÊÎÎΣ°Ê˜ÃiÀÌ]ÊÊ Ê
Screw thread, Helical Coil,
Ê -VÀiÜʜVŽˆ˜}Ê­iÌÀˆVÊ-iÀˆiî
UÊ -ÎÎxÎǰʘÃiÀÌ]ÊqÊ-Ì>˜`>À`ÊÊ
Dimensions, Assembly
UÊ -x™£xn° Tools for inserting and
Ê iÝÌÀ>V̈˜}ÊiˆV>Ê
œˆÊ˜ÃiÀÌÃÊ
UÊ -nn{ȰʘÃiÀÌ]Ê-VÀiÜÊÊ
Thread, Helical Coil
UÊÊ -££Îä°Ê˜ÃiÀÌÃ]Ê-VÀiÜÊÊ
Ê
Thread, Helical Coil, Free
ÊÊÊÊ,՘˜ˆ˜}Ê>˜`Ê-VÀiÜʜVŽˆ˜}ÊÊ Ê
ÊÊÊÊ­˜V…Ê-iÀˆiî
Ê
UÊ £xÈx°Ê˜ÃiÀÌ]Ê-VÀiÜÊ/…Ài>`]ÊÊ
Helical Coil (Metric Series)
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
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7
Heli-Coil®Êˆ˜`ÕÃÌÀÞÊÃÌ>˜`>À`Ã
UÊÊ ‡-/‡Ón. Screw Thread
Ê -Ì>˜`>À`ÃÊvœÀÊi`iÀ>É-iÀۈViÃ
UÊÊ -£Î™{Ê̅ÀÕÊÎä™Ç
UÊÊ -£ÓәÊ̅ÀÕÊÎänÎ
Special Locking Torque Inserts
UÊ -Ê£n°Ó™°£ Insert, Screw
Thread, Helical Coil (Inch Series)
UÊ -Ê£n°Ó™°Ó‡Óääx
Helical Coil Screw Thread
Inserts, Free Running and
Screw Locking (Metric Series)
UÊ -ÎÈää‡Îș™ Insert, Screw
Thread, Screw Locking, Helical
Coil, Cadmium Plated (Inch
Series)
UÊ -{ÈÇÇÊ-iÀˆià Insert, Screw
Thread, Screw Locking, Helical
Coil, Cadmium Plated (Metric
Series)
UÊ -ÈÇÎÎ Inserts, Wire Thread,
(UNF) - Unplated
UÊ -ÈÇÎ{ Inserts, Wire Thread,
(UNC) - Unplated
UÊ -n{xx Inserts, Wire Thread,
(UNF) - Cadmium Plated
UÊ -n{xÈ Inserts, Wire Thread,
(UNC) - Cadmium Plated
Heli-Coil® ʈ˜ÃiÀÌÊVœ>̈˜}ÃÊEÊ«>̈˜}Ê
Coatings/
Plating
Dry Film
Lubricant
Benefits
Provides additional lubrication in high friction applications
High temperature resistance (400°F)
Highly recommended with Heli-Coil Screw-Lock inserts
Mildly corrosion resistant
Material Spec: AS5272
Color: Grey
Cadmium
Plating
Provides high corrosion resistance
Provides lubrication to prevent galling
(Not recommended for new design due to its toxic nature)
Material Spec: QQ-P-416 Type II
Color: Iridescent yellow - Free-Running
Color: Olive drab - Screw-Lock
PrimerFree® II
Contains no chromates
Eliminates need for zinc primers and epoxies
Prevents galvanic corrosion between insert and parent material
Eliminates locking torque issues associated with primers
Improves installation productivity
Provides additional lubrication facilitating insert installation
Material Spec: None
Color: Matte black
Silver
Plating
Recommended to reduce galling of threads at high temperatures
For use up to 1200ºF
Material Spec: QQ-S-365
Color: Silver white
Color
Coding
Facilitates verification of insert installation
Allows for quick identification of similar size inserts
Available in blue, green, red, and black*
* All Heli-Coil Inch Screw-Lock inserts are supplied with a red coloring in accordance with NASM21209.
8
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!32EV"s)3/
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www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® ʈ˜ÃiÀÌʓ>ÌiÀˆ>ÃÊ
Heli-Coil inserts are available in a wide choice of materials to suit specific application needs.
Contact Heli-Coil Applications Engineering to determine the correct material for your specific application.
304 Stainless Steel
UÊ -Ì>˜`>À`]Ê}i˜iÀ>Ê«ÕÀ«œÃiÊÊÊÊÊÊÊÊÊ
material
Material Spec: AS7245
Temperature range: up to 800ºF
Tensile: 200,000 – 250,000 PSI
UÊ -̜VŽi`ʈ˜Ê“œÃÌÊÈâiÃ
UÊ `i>ÊvœÀʜÀˆ}ˆ˜>ÊiµÕˆ«“i˜ÌÊÊÊ Ê
applications, repair, and overhaul
Hardness: RHc 43-50
Corrosion resistance: Moderate
>}˜ïVÊ*iÀ“i>LˆˆÌÞ\ÊӇ£äÊɜÊ
(depending on wire size)
Inconel X750
UÊ 1Ãi`ʈ˜Ê>Ài>ÃÊiÝ«œÃi`Ê̜ʅˆ}…ÊÊ
temperatures
UÊ /Þ«ˆV>ÊÕÃiÃ\Ê}>ÃÊÌÕÀLˆ˜iÊÊ
Ê
engines, nuclear applications,
well drilling
UÊ
œ˜‡“>}˜ïV
Phosphor Bronze
UÊ `i>ÊvœÀÊÃ>ÌÊÜ>ÌiÀÊ>««ˆV>̈œ˜Ã
UÊ
œ˜‡“>}˜ïV
UÊ ÝVii˜ÌÊiiVÌÀˆV>ÊÊÊÊÊÊÊ
conductivity
Ê
Material Spec: AS7246
Temperature range: up to 1,000ºF
Tensile: 200,000 PSI
Hardness: RHc 43-50
Corrosion resistance: High
>}˜ïVÊ*iÀ“i>LˆˆÌÞ\ʐ£Êɜ
Temperature range: up to 250ºF
Tensile: 140,000 PSI
Hardness: HRB 95
Corrosion resistance: High
>}˜ïVÊ*iÀ“i>LˆˆÌÞ\ʐ£Êɜ
Nitronic 60™
UÊ -Õ«iÀLÊ}>ÊÀiÈÃÌ>˜Vi
UÊ œ“«>̈LiÊ܈̅ÊÃÌ>ˆ˜iÃÃÊÃÌiiÊÊ
screws
UÊ `i>ÊvœÀÊÕÃiʈ˜ÊÛ>VÕՓÊi˜ÛˆÀœ˜“i˜ÌÃ
UÊ ,iµÕˆÀiÃʘœÊ>``ˆÌˆœ˜>ÊVœ>̈˜}ÃÊÊ
or plating
UÊ *>À̈ViÊvÀii
UÊ œ˜‡“>}˜ïV
Titanium
UÊ -Õ«iÀˆœÀÊÃÌÀi˜}̅‡Ìœ‡Üiˆ}…ÌÊÊ Ê
ratio
UÊ œÀÀœÃˆœ˜ÊÀiÈÃÌ>˜Ì
UÊ ÝVii˜ÌʏœÜÊÌi“«iÀ>ÌÕÀiÊÊ Ê
stability
Note: Nitronic 60™ is a trademark of AK Steel
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Material Spec: UNS S21800
Temperature range: up to 500ºF
Tensile: 200,000 PSI
Hardness: RHc 43-50
Corrosion resistance: Moderate
>}˜ïVÊ*iÀ“i>LˆˆÌÞ\ʐ£Êɜ
Material Spec: AMS 4957 &
AMS 4958A
Temperature range: up to 600ºF
Tensile: 150,000 to 220,000 PSI
Hardness: RHc 35-43
Corrosion resistance: High
Magnetic Permeability:
non-magnetic
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
9
Heli-Coil® ÊÃVÀiÜʏœVŽÊ̜ÀµÕiÊ`>Ì>
Heli-Coil Screw-Lock inserts meet
the locking torque value of Tables
I and II shown below. The values
shown conform to NASM8846 (inch
series) or MA1565 (metric series)
requirement.
IMPORTANT NOTE: When using heat-treated steel screws or stainless steel
screws with a Screw-Lock insert, an anti-seize compound MUST be applied
to the screw or insert to minimize galling and maximize cycle life. To improve the wear life of the screws in Screw-Lock insert applications, specify
Nitronic 60 material, Primer Free II coating, Dry Film Lubricant (Molybdenum
Disulfide) or Cadmium plating be applied to the insert.
TABLE I. Heli-Coil Insert Locking Torque – Inch
>Ý°Ê
œVŽˆ˜}Ê
/œÀµÕiÊ
/…Ài>`Ê
-ˆâiÊ
ˆ˜°Ê
œVŽˆ˜}Ê/œÀµÕi
£xthÊ
ÞVi
ÊÊÊ Ê
",-Ê/,Ê­1 ®
1 (.073)-64
15 oz-in
2 oz-in
2 (.086)-56
20 oz-in
3 oz-in
3 (.099)-48
32 oz-in
7 oz-in
4 (.112)-40
48 oz-in
10 oz-in
5 (.125)-40
75 oz-in
13 oz-in
6 (.138)-32
6 lb-in
1.0 lb-in
8 (.164)-32
9 lb-in
1.5 lb-in
10 (.190)-24
13 lb-in
2.0 lb-in
12 (.216)-24*
24 lb-in
3.0 lb-in
£É{Ê­°Óxä䮇ÓäÊ
ÎäʏL‡ˆ˜Ê
{°xʏL‡ˆ˜
xÉ£ÈÊ­°Î£Óx®‡£nÊ
ÈäʏL‡ˆ˜Ê
Ç°xʏL‡ˆ˜
ÎÉnÊ­°ÎÇx䮇£ÈÊ
näʏL‡ˆ˜Ê
£Ó°äʏL‡ˆ˜
ÇÉ£ÈÊ­°{ÎÇx®‡£{Ê
£ääʏL‡ˆ˜Ê
£È°xʏL‡ˆ˜
£ÉÓÊ­°xää䮇£ÎÊ
£xäʏL‡ˆ˜Ê
Ó{°äʏL‡ˆ˜
™É£ÈÊ­°xÈÓx®‡£ÓÊ
ÓääʏL‡ˆ˜Ê
Îä°äʏL‡ˆ˜
xÉnÊ­°ÈÓx䮇££Ê
ÎääʏL‡ˆ˜Ê
{ä°äʏL‡ˆ˜
ÎÉ{Ê­°Çxä䮇£äÊ
{ääʏL‡ˆ˜Ê
Èä°äʏL‡ˆ˜
ÇÉnÊ­°nÇx䮇™Ê
ÈääʏL‡ˆ˜Ê
nÓ°äʏL‡ˆ˜
1 (1.000)-8
800 lb-in
110.0 lb-in
£‡£ÉnÊ­£°£Óx䮇ÇÊ
™ääʏL‡ˆ˜Ê
£ÎÇ°äʏL‡ˆ˜
£‡£É{Ê­£°Óxä䮇ÇÊ
£äääʏL‡ˆ˜Ê
£Èx°äʏL‡ˆ˜
£‡ÎÉnÊ­£°ÎÇx䮇ÈÊ
££xäʏL‡ˆ˜Ê
£nx°äʏL‡ˆ˜
£‡£ÉÓÊ­£°xää䮇ÈÊ
£ÎxäʏL‡ˆ˜Ê
Ó£ä°äʏL‡ˆ˜
Ê Ê/,Ê­1 ®
2 (.086)-64
20 oz-in
3 oz-in
3 (.099)-56
32 oz-in
7 oz-in
4 (.112)-48
48 oz-in
10 oz-in
6 (.138)-40
6 lb-in
1.0 lb-in
8 (.164)-36
9 lb-in
1.5 lb-in
10 (.190)-32
13 lb-in
2.0 lb-in
£É{Ê­°Óxä䮇ÓnÊ
ÎäʏL‡ˆ˜Ê
ΰxʏL‡ˆ˜
xÉ£ÈÊ­°Î£Óx®‡Ó{Ê
ÈäʏL‡ˆ˜Ê
È°xʏL‡ˆ˜
ÎÉnÊ­°ÎÇx䮇Ó{Ê
näʏL‡ˆ˜Ê
™°xʏL‡ˆ˜
ÇÉ£ÈÊ­°{ÎÇx®‡ÓäÊ
£ääʏL‡ˆ˜Ê
£{°äʏL‡ˆ˜
£ÉÓÊ­°xää䮇ÓäÊ
£xäʏL‡ˆ˜Ê
£n°äʏL‡ˆ˜
™É£ÈÊ­°xÈÓx®‡£nÊ
ÓääʏL‡ˆ˜Ê
Ó{°äʏL‡ˆ˜
xÉnÊ­°ÈÓx䮇£nÊ
ÎääʏL‡ˆ˜Ê
ÎÓ°äʏL‡ˆ˜
ÎÉ{Ê­°Çxä䮇£ÈÊ
{ääʏL‡ˆ˜Ê
xä°äʏL‡ˆ˜
ÇÉnÊ­°nÇx䮇£{Ê
ÈääʏL‡ˆ˜Ê
Çä°äʏL‡ˆ˜
1 (1.000)-14*
800 lb-in
92.0 lb-in
1 (1.000)-12
800 lb-in
90.0 lb-in
£‡£ÉnÊ­£°£Óx䮇£ÓÊ
™ääʏL‡ˆ˜Ê
££Ç°äʏL‡ˆ˜
£‡£É{Ê­£°Óxä䮇£ÓÊ
£äääʏL‡ˆ˜Ê
£{ΰäʏL‡ˆ˜
£‡ÎÉnÊ­£°ÎÇx䮇£ÓÊ
££xäʏL‡ˆ˜Ê
£Èx°äʏL‡ˆ˜
£‡£ÉÓÊ­£°xää䮇£ÓÊ
£ÎxäʏL‡ˆ˜Ê
£™ä°äʏL‡ˆ˜
TABLE II. Heli-Coil Insert Locking Torque – Metric
/…Ài>`Ê
-ˆâiÊ
M2x0.4
M2.2x0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22x2.5
M24x3
M27x3
M30x3.5
M33x3.5
M36x4
M39x4
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M20x1.5
M22x1.5
M18x2
M20x2
M22x2
M24x2
M27x2
M30x2
M33x2
M36x2
M39x2
M36x3
M39x3
>ݰʜVŽˆ˜}Ê
/œÀµÕiÊ
°“Ê
/,
Ê
",-
0.12
0.14
0.22
0.44
0.68
0.9
1.6
3
4.4
6
10
15
23
32
42
54
70
80
95
110
125
140
150
/,
Ê 6
10
10
15
15
23
32
42
54
70
42
54
70
80
95
110
125
140
150
140
150
ˆ˜°ÊœVŽˆ˜}
/œÀµÕiÊ£xthÊ
ÞVi
°“
0.003
0.02
0.06
0.1
0.12
0.16
0.3
0.4
0.6
0.8
1.4
2.2
3
4.2
5.5
7
9
11.0
12
14
16.0
18.0
20.0
0.8
1.4
1.4
2.2
2.2
3
4.2
5.5
7
9
5.5
7
9
11.0
12
14
16.0
18.0
20.0
18.0
20.0
* These sizes are not included in NASM8846. Torque values shown are interpolated from sizes that are included. All torque data derived for stainless inserts only.
10
CERTIFIED
!32EV"s)3/
s)3/43
www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ê`iÈ}˜Ê`>Ì>
ÃÃi“LÞÊ-ÌÀi˜}̅
Ո`iˆ˜iÃÊvœÀÊÕÃiʜvÊÌ>Li\
Heli-Coil offers maximum design
flexibility while adhering to conservative
engineering practice allowing use
of Heli-Coil inserts in virtually any
application or material. Five lengths
of inserts are available. In this design
manual, the lengths are listed as
multiples of the nominal thread diameter
œvÊ̅iÊÃVÀiÜÆÊ£]Ê£‡£ÉÓ]ÊÓ]ÊӇ£ÉÓ]Ê>˜`ÊΰÊ
-…i>ÀÊÃÌÀi˜}̅ʜvÊ
«>Ài˜Ìʓ>ÌiÀˆ>Ê
­*-®Ê­Õ“°]Ê
>}°]Ê-Ìii®
Ê
Ê
Ê
Ê
Ê
Ê
Ê
£ä°äääÊ
£x]äääÊ
Óä]äääÊ
Óx]äääÊ
Îä]äääÊ
{ä]äääÊ
xä]äääÊ
-…i>ÀÊÃÌÀi˜}̅ʜvÊ
«>Ài˜Ìʓ>ÌiÀˆ>Ê
*>Ê­“i}>«>ÃV>Ã®
­Õ“°]Ê>}°]Ê-Ìii®
70
100
150
200
250
300
350
This choice of insert length balances
the bolt tensile strength against the
shear strength of the parent material.
This allows for the design of assemblies
where the bolt will fail before the parent
material. Tables III and IV below show
the length of insert to be used with
different combinations of bolts and
parent materials.
/>LiÊÊqʘV…ÊœÌÊEÊiˆ‡
œˆÊ˜ÃiÀÌÊ-iiV̈œ˜ÊՈ`i
œÌÊ>ÌiÀˆ>Êˆ˜ˆ“Õ“Ê1Ìˆ“>ÌiÊ/i˜ÃˆiÊ-ÌÀi˜}̅ʭ*-®
x{]äääÊ
ÓÊ
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qÊ
qÊ
£‡£ÉÓÊ
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q
£‡£ÉÓÊ £‡£ÉÓÊ
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Î
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£‡£ÉÓÊ
£‡£ÉÓÊ
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/>LiÊ6ÊqÊiÌÀˆVʜÌÊEÊiˆ‡
œˆÊ˜ÃiÀÌÊ-iiV̈œ˜ÊՈ`i
œÌÊ>ÌiÀˆ>Êˆ˜ˆ“Õ“Ê1Ìˆ“>ÌiÊ/i˜ÃˆiÊ-ÌÀi˜}̅Ê*>Ê­“i}>«>ÃV>Ã®
ÎääÊ
1.5
1
1
1
1
1
1
{ääÊ
2
1.5
1
1
1
1
1
xääÊ
2.5
1.5
1.5
1
1
1
1
ÈääÊ
2.5
2
1.5
1
1
1
1
nääÊ
–
2.5
2
1.5
1
1
1
£äääÊ
–
3
2
1.5
1.5
1.5
1
£ÓääÊ
–
–
2.5
1.5
1.5
1.5
1.5
£{ää
–
–
3
2.5
2
1.5
1.5
Type of Conditions & Protective Methods
*>Ài˜ÌÊ>ÌiÀˆ>ÊÊÊÊÊÊÊÊÊÊÊÊÊÊ*>Ài˜ÌÊ>ÌiÀˆ>Ê/Ài>̓i˜ÌÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊʘÃiÀÌÊ/Ài>̓i˜Ì
ÝÌÀi“iÞÊÊ Ê
Ê
ÝÌÀi“iÞ
Ê
œÀ“>Ê -iÛiÀiÊÊ -iÛiÀiÊÊ
œÀ“>ÊÊ -iÛiÀiÊÊ -iÛiÀi
Aluminum
Magnesium
None
1
1
1
1
1
None
None
2 or 3
2 or 3
2 or 3
2 or 3
Corrosion Protection Methods
i̅œ`Ê£ÊqÊ*>Ài˜ÌÊ>ÌiÀˆ>Ê*ÀœÌiV̈œ˜
1 1\ For oxide coating use Alodine, Anodize, Iridite, Hard Coat or equivalent.
Iridite 14 or 14-2 (MIL-C-5541) is recommended for critical parts rather than anodizing
(MIL-S-5002).
-1: For oxide coating use Iridite 15 or dichromate surface treatments. For
HAE finishes, always plug tapped holes first.
i̅œ`ÊÓÊqÊ
œ>ÌÊ̅iʈ˜ÃiÀÌÊ܈̅ʜ˜iʜvÊ̅iÊvœœÜˆ˜}\
>`“ˆÕ“Ê«iÀÊ++‡*‡{£È]Ê/Þ«iÊ]Ê°ää䣸Ê̅ˆVŽÆʜÀÊÀÞʈ“ÊÕLÀˆV>˜ÌÊ«iÀÊ-ÊxÓÇÓÊÊÊÊÊÊÊÊÊÊÊ
(MIL-L 46010) (no graphite).
i̅œ`ÊÎÊqÊUtilize Heli-Coil Primer-Free II coated inserts or separate the parent material
from the insert by using liquid zinc chromate primer, Federal Specification TT-P-1757.
Apply the primer to the hole sparingly and install the insert while the primer is still wet.
In addition to the above methods, further corrosion protection can be achieved by:
1. Using blind holes wherever possible.
2. Using a sealing, insulating or step-down (5052 Alum.) washer under the head of the bolt.
3. Using bolts that extend completely through the length of the insert.
4. In critical applications, using a non-hardening sealer or compound on the
threaded assembly.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
1.When the parent material shear
strength falls between two listed
values, use the lower of the two
values.
2.Parent material shear strengths
are for room temperature. For
applications at elevated tempera
tures, the shear strength of the
material at that temperature
must be determined for proper
selection of bolt and insert length.
3.Be sure that the engaged thread
length of the bolt is at least as long
as the full tapped thread depth
for the size selected (Dimension
“H”, Tables VII & VIII, pages 20 & 21).
ÃÃi“LÞÊÃÌÀi˜}̅ʈÃÊ>Êv՘V̈œ˜ÊœvÊÅi>ÀÊ>Ài>Ê
and the shear strength of both the bolt and
«>Ài˜Ìʓ>ÌiÀˆ>°ÊœÀÊ`iÌ>ˆi`ÊV…>ÀÌÃʜ˜ÊëiVˆwVÊ
œ>`ÊÛ>ÕiÃ]Êiˆ‡
œˆÊ/iV…˜ˆV>ÊՏï˜ÊÈn‡ÓÊ
­ˆ˜V…®ÊœÀʘ}ˆ˜iiÀˆ˜}Ê-Ì>˜`>À`Ê**£xÊ­“iÌÀˆV®Ê
VœÛiÀÃÊ Ì…iÊ Vœ“«iÌiÊ À>˜}iÊ œvÊ ÃˆâiÃ]Ê «>Ài˜ÌÊ
“>ÌiÀˆ>ÃÊ>˜`ÊLœÌÊÃÌÀi˜}̅ð
œÀÀœÃˆœ˜Ê*ÀœÌiV̈œ˜
The effect of corrosion on threaded
assemblies is dependent on many
factors — environment, types of
metals used, sealing mechanisms
and length of service. The following
recommendations apply for
minimizing the effects of corrosion
on Heli-Coil stainless steel insert
assemblies at operating temperatures
less than 800°F, using carbon steel
or alloy steel bolts.
/…iÊvœœÜˆ˜}Ê`iw˜ˆÌˆœ˜ÃÊ>««Þo
œÀ“>Ê-iÀۈViÊq Natural atmosphere
environment with the screw always
assembled in the insert.
-iÛiÀiÊ-iÀۈViÊq Mildly contaminated
atmospheric conditions involving
moisture, occasional exposure to
salty air or sea spray and the screw
may be left out of the insert for
extended periods of time.
ÝÌÀi“iÞÊ-iÛiÀiÊ-iÀۈViÊq Assembly
is exposed to salt water, corrosive
>̓œÃ«…iÀiÊ>˜`ɜÀÊ̅iÊÃVÀiÜʈÃʜÕÌÊ
of the assembly frequently allowing
a blind hole to trap water.
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
11
Heli-Coil® ʈ˜ÃiÀÌÊëiVˆwV>̈œ˜ÃÊqʈ˜V…
Ê
Ê
Ê
Type
Nominal
Thread
Size
“Q” Nominal Length
Ê
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2. The number of coils are counted 90º from the tang.
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Location (distance from the tang) is the same as 2 diameter long inserts.
12
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£än{‡{
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œ“«iÌiÊ*>ÀÌÊ œ°ÊÝ>“«i\Free Running Insert; M4 x 0.7
Stainless Steel; Cadmium; 1 dia.; On Strip
Type
Size
Material
Finish
Length
Packaging
£än{ Free Running, Coarse
{Óxx]Ê{È{™]ÊÎÇ{x]Ê{ÓÈÈÊE
{ÓÇÇ Free Running,Fine
{£n{ Screw-Lock, Coarse
xÓxx]ÊxÈ{™]Êx£{x]ÊxÓÈÈÊE
xÓÇÇÊScrew-Lock, Fine
See Chart
/
>˜Ž – None
Y – Cadmium
6Ê- Silver
7 – Dry Film Lubricant
* – Primer Free II
See Chart
>˜Ž – Bulk
- – Strip Feed
– Stainless Steel
Ê– Phosphor Bronze
– Inconel X
– Nitronic 60
Ê– Titanium
œÌiÃʜ˜Ê˜ÃiÀÌÊ-«iVˆwV>̈œ˜Ã\
£°Ê œ“ˆ˜>Êi˜}̅ʈÃÊ>ÊVœ“«ÕÌi`ÊÛ>ÕiÊ>˜`ÊV>˜˜œÌÊLiʓi>ÃÕÀi`°ÊÌʈÃÊ̅iÊ>VÌÕ>Ê>ÃÃi“Li`ʏi˜}̅ʳʣÉÓÊ«ˆÌV…°
2. The number of coils are counted from the notch.
3. Phosphor Bronze Inserts – œÌÊ>Û>ˆ>Li in sizes M2, M2.2, M2.5, M3, M3.5 and M4.
4. Inconel X Inserts – 1 diameter long Screw-Lock inserts ˜œÌÊ>Û>ˆ>Li in sizes M2, M2.2, M2.5 and M3.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
13
Heli-Coil® Tangless®Ê˜ÃiÀÌÃ
Heli-Coil Tangless® Inserts eliminate
tang break-off and retrieval and are
easily adjusted or removed after
installation.
UÊ-/," ,Ê---Ê Tapped threads are strengthened
because the inherent flexibility
of the insert provides a more
balanced distribution of static
and dynamic loads throughout
the engagement length.
Uʇ,
/" Ê-
Installs quickly and easily from
either end.
UÊ /Ê-/,--°Virtually
no stress is induced into the
parent material as no staking,
swaging or keying in place is
required.
UÊ *"-/6Ê-‡"
ÊÊ
Ê
Ê /",+1°Heli-Coil Tangless®
screw-lock inserts provide
a positive, self-locking
torque complying with the
requirements of NASM8846.
UÊ <Ê-*
Ê ÊÊ
Ê 7/° Requires smaller
boss than solid inserts;
minimize total in-place cost.
Ê
UÊ
" ",Ê/"Ê -££Îä
-iiV̈˜}Ê>Êiˆ‡
œˆÊ/>˜}iÃîʘÃiÀÌ
Heli-Coil Tangless® inserts are
made from 304 Stainless Steel per
AS7245 (see chart below for thread
size designation), and are available
in three lengths:
ÊÊÊÊ£]Ê£‡£ÉÓÊ>˜`ÊÓÊ`ˆ>“iÌiÀð
Tangless® inserts can be ordered
with a Cadmium Plate finish (Y),
Dry Film Lube finish (W), Primer Free
II finish (PF) or no finish (Blank).
Below is an example of how to order
Heli-Coil Tangles inserts.
/Îxnxqä{
7££ÓÊ
/Þ«iÊ
-ˆâiÊ
/££nx Free Running, UNC
/££™£ Free Running, UNF
/Îxnx Screw-Lock, UNC
/Îx™£ Screw-Lock, UNF
A
Side View
B
Top View
See Chart
>ÌiÀˆ>Ê
ˆ˜ˆÃ…Ê
C - Stainless Steel
œ“«iÌiÊ*>ÀÌÊ œ°ÊÝ>“«i\Screw-locking
˜ÃiÀÌÆʛ{‡{äÆÊ-Ì>ˆ˜iÃÃÊ-ÌiiÆÊÀÞʈ“ÊÕLi]Ê
1 dia.,On Strip
i˜}̅Ê
*>VŽ>}ˆ˜}
Y - Cadmium
See Chart
7Ê- Dry Film Lube
* - Primer Free
>˜Ž - No Finish
>˜ŽÊ- Bulk
- - Strip Feed
œ“ˆ˜>Ê ÊÊÊÊÊÊÊÊÊÊÊ/Þ«iÊ
Ê
ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊʺ»ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊʺ»ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ Õ“LiÀʜvÊ
œˆÃ
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1˜ˆwi`Ê
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Note: Contact your local distributor for specific product availability.
14
CERTIFIED
!32EV"s)3/
s)3/43
www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
/…Ài>`ÊÀi«>ˆÀʎˆÌÃÊEʓ>ÃÌiÀÊÃiÌÃ
Heli-Coil inserts are available in
thread repair kits and sets for
repairing tapped holes which have
been stripped or damaged due to
wear, corrosion and over-torque.
They are available in inch, metric,
spark plug and pipe thread series.
Thread
Size
Kit
P/N
Inserts
per Kit
Inch Coarse Thread (UNC)
4-40
5-40
6-32
8-32
10-24
12-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-13
9/16-12
5/8-11
3/4-10
7/8-9
1-8
1–1/8-7
1–1/4-7
1–3/8-6
1–1/2-6
5401-04
5401-05
5401-06
5401-2
5401-3
5401-1
5401-4
5401-5
5401-6
5401-7
5401-8
5401-9
5401-10
5401-12
5521-14
5521-16
5521-18
5521-20
5521-22
5521-24
5402-06
5402-2
5402-3
5402-4
5402-5
5402-6
5402-7
5402-8
5402-9
5402-10
5402-12
5528-14
5528-16
5528-161
5528-18
5528-20
5528-22
5528-24
Thread
Size
Kit
P/N
Inserts
per Kit
Metric Coarse
36*
36*
36*
36*
36*
36*
36*
36*
18*
18*
18*
6
6
4
6
6
5
4
4
4
Inch Fine Thread (UNF)
6-40
8-36
10-32
1/4-28
5/16-24
3/8-24
7/17-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
1-14
1-12
1–1/8-12
1–1/4-12
1–3/8-12
1–1/2-12
All kits have a quantity of inserts,
the proper size drill, high speed
steel Heli-Coil tap and an installation
tool. The Professional Kits* (shown
in bold type) also includes a tang
removal tool and quantities of three
lengths of inserts.
36*
36*
36*
36*
36*
18*
18*
18*
6
6
4
6
6
6
5
4
4
4
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M9x1.25
M10x1.5
M11x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
5403-3
5403-3.5
5403-4
5403-5
5403-6
5403-7
5403-8
5403-9
5403-10
5403-11
5403-12
5403-14
5403-16
5403-18
5403-20
36*
36*
18*
18*
18*
18*
18*
12
18*
6
18*
12
6
6
4
/…Ài>`Ê
-ˆâiÊ
Ê
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Ê
,i>V…Ê
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xxÓ·£äÊ
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Ó{
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xxÓ·£ÓÊ
Ê
£ÉÓÊ
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Ê
Ê
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È
È
È
È
6
£n‡£°x䓓Ê
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£ÉӇxÉnÊ
Ó{
£ä
M14x1.25*
5408-14
Short
Normal
Long
6
6
6
( )
* Sav-A-Thread®
˜ÃiÀÌÃ
*iÀʈÌ
PIPE THREAD SERIES
Metric Fine
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
M14x1.5
M16x1.5
M18x1.5
SPARK PLUG SERIES
5404-8
5404-10
5405-10
5405-12
5406-12
5406-14
5406-16
5406-18
18*
18*
18*
18*
18*
6
6
6
Thread
Size
Part No.
Inserts
Per Kit
1/8-27
1/4-18
3/8-18
1/2-14
3/4-14
1-11-1/2
5407-2
5407-4
5407-6
5407-8
5407-12
5407-16
12
12
10
10
10
6
* The total quantity of inserts in the Professional
Kits represents 3 lengths.
MASTER THREAD REPAIR SETS
/Þ«iÊ
*>ÀÌÊ œ°Ê
˜ÃiÀÌÊÈâiÃʈ˜VÕ`i`ʈ˜ÊÃiÌ
Inch Coarse
Inch Fine
Metric
Metric
4934
4936
4937-125
4937-150
1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13, 5/8-11
10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 1/2-20
M5x0.8, M6x1, M8x1.25, M10x1.25
M5x0.8, M6x1, M8x1.25, M10x1.5
All sets contain a drill, tap, tool and inserts for each size listed above.
* The total quantity of inserts in the Professional
Kits represents 3 lengths.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
15
Heli-Coil® Ê>ÃÃi“LÞÊ`iÈ}˜
Boss Dimensions
Bolt Projection
Material Thickness
Standard boss configurations may
be used with Heli-Coil inserts.
The bolt must engage the
entire insert to insure maximum
strength of a Heli-Coil insert
assembly. It is strongly
recommended that the tang
always be removed and bolt
projection be equal to the full
tapped thread depth (Dimension
H, Tables VII & VIII, Pages 20 &
21). If design limitations prohibit
this, contact us to obtain
minimum bolt projection data.
The “ˆ˜ˆ“Õ“ material thickness
for through hole assemblies is
equal to the Insert Nominal Length
(Dimension Q, Pages 12 &13), without
a countersink and the insert installed
£É{‡£ÉÓÊ
pitch
below the
surface.
For
production,
Q
the hole
should be
countersunk, and
the insert
ˆ˜ÃÌ>i`ÊÎÉ{q£‡£ÉÓÊ«ˆÌV…ÊLiœÜÊ̅iÊ
surface. In this case the minimum
material thickness is “Q” + 1 pitch.
A boss diameter of twice the nominal
bolt size is adequate for most load
conditions. For critical applications,
the boss diameter should be twice
the Heli-Coil tap major diameter
(Tables VII & VIII, Pages 20 & 21).
Boss thickness is a function of the
size and length of the insert chosen
and the particular requirements
of the component being designed.
The use of Heli-Coil inserts
generally minimizes the size of the
boss because their high strength
characteristics allow for smaller or
fewer fasteners.
Class of Fit
Since Heli-Coil inserts are flexible,
the class of fit of the final assembly
is a function of the tapped hole.
Heli-Coil STI (Screw Thread Insert)
taps are available in inch series for
both Class 2B and 3B. Metric Classes
include 5H and 4H5H. Class 2B or
5H tapped holes provide widest
production tolerances while Class
3B or 4H5H holes provide slightly
tighter tolerances.
Drawing Call Out
Below is a sectional view of an
installed insert for a Heli-Coil Insert
Assembly. The example used is a
ÎÉn‡Ó{ÊÝÊ°xÈÓʏœ˜}Ê-VÀi܇œVŽÊˆ˜ÃiÀÌÊ
in a blind hole, Class 3B fit, tapped
with a plug tap.
TOP COIL TO BE
0.75 P TO 1.5 P
BELOW SURFACE
Class 3B or 4H5H holes are
recommended for Screw-Lock
applications.
H
F
2 PITCH
INCOMPLETE
THREADS
4 PITCH
INCOMPLETE
THREADS
1 PITCH TAP
END CLEARANCE
TANG
REMOVED
1 PITCH TAP
END CLEARANCE
PLUG
STYLE
TAP
BOTTOMING
STYLE
TAP
HOLE PREPARATION
16
CERTIFIED
!32EV"s)3/
s)3/43
www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ê«Àœ`ÕV̈œ˜Êi˜}ˆ˜iiÀˆ˜}Ê`>Ì>
Engineering Data
2. Countersinking
Conventional machining methods are
used for Heli-Coil assemblies. The
process is simple…
£°ÊÊÀˆ
Ó°ÊÊ
œÕ˜ÌiÀȘŽ
ΰÊÊ/>«
{°ÊÊ>}i
Countersinking the drilled hole
is recommended to prevent a feather
edge at the top of the tapped hole
and to help guide the insert into the
tapped threads. A 120° included
angle countersink is necessary to
insure that the angle of the tapped
thread and the countersink are the
Ã>“iÊ­£ÓäcÊeÊÓÊrÊÈäcÊÌ>««i`Ê̅Ài>`®°
1. Drilling
The suggested drill sizes listed for
aluminum in Tables V & VI, pages 18
& 19, are within the minor diameter
limits specified in NASM33537 or
MA1567. Drill sizes listed for steel,
magnesium and plastic are larger
(in most cases) allowing for parent
material “close-in” in soft materials
and increased tap wear life in hard
materials.
The drill depths listed in this table
allow for tap end clearance,
maximum insert “set-down”,
countersink, and the chamfer on the
tap. These drill depths are minimum
and should be increased where
possible, especially when using
Spiral Pointed Taps, to allow for chip
clearance. The formula for the drill
depth is given on Pages 18 & 19.
3. Tapping
The dimensions for the depth of the
full tapped thread (Dimension H,
Tables VII & VIII, Pages 20 & 21)
are MINIMUM for blind holes with
countersinks. For through holes
without a countersink the minimum
full tapped thread depth must be
equal to the insert nominal length
(Dimension Q, Pages 12 & 13).
Heli-Coil taps for free machining
materials are listed in Tables IX & XII,
Pages 20 & 23 Class 2B (inch),
5H metric and 3B (inch) or 4H5H
(metric) tapped holes. (Class of fit
recommendations are given on Page
14). There are four types of taps listed:
UÊ -ÌÀ>ˆ}…Ì]ʏÕÌi]Ê*Õ}ÊEʜÌ̜“ˆ˜}
style which are used for
hand and short run production
UÊ -«ˆÀ>Ê*œˆ˜ÌÊ*Õ}taps (chips are
pushed forward) are used for
through holes and blind hole
with ample chip clearance at
the bottom.
UÊ ˆ}…Ê-«ˆÀ>ÊÕÌiʜÌ̜“ˆ˜}Ê taps (chips are pulled out of the
hole) are used for deep or blind
holes in soft stringy materials
and holes with minimal chip
clearance
UÊ ,œÕ}…ˆ˜}Ì>«ÃÊ­Çɣȇ£¸®Ê>ÀiÊÊ Ê
available for materials difficult
to tap to reduce the load and
wear on the finishing tap.
If it is necessary to decrease the
ˆ˜ˆ“Õ“Êi«Ì… of the drilled and
tapped hole, one or more of the
following steps may be helpful:
Ê
V̈œ˜Ê
,i“œÛiÊ̅iʓ>iÊ
Vi˜ÌiÀʜ˜Ê«Õ}ÊÌ>«ÃÊ
xÉ£È]ÊnÊEÊ՘`iÀÊ
1ÃiÊ>ÊLœÌ̜“ˆ˜}ÊÌ>«Ê
ˆ“ˆ˜>ÌiÊ̅iÊVœÕ˜ÌiÀȘŽÊ
,i`ÕViʈ˜ÃiÀÌʺÃi̇`œÜ˜»Ê
̜ʣÉ{‡£ÉÓÊ«ˆÌV…Ê
“œÕ˜Ìʜv
,i`ÕV̈œ˜
œ˜iʅ>vʜv
̅iÊLœÌ
`ˆ>“iÌiÀ
ÓÊ«ˆÌV…iÃ
£ÉÓÊ«ˆÌV…
Õ«Ê̜ʣÉÓ
«ˆÌV…
4. Gaging
Heli-Coil thread plug gages should be
used to check, according to sampling
plan, the tapped holes before insert
installation. See Pages 24 & 25 for gage
part numbers and further gaging data.
Preparing Process Sheets
A sample process sheet for preparing a tapped hole for Heli-Coil inserts is shown
below. Highlighted are references to the various dimensional data and part number
specifications listed in the tables on pages listed. Insert installation and tang break
off are covered in subsequent pages.
œiÊ«Ài«>À>̈œ˜ÊvœÀÊÎÉn‡Ó{]Ê-VÀi܇œVŽÊiˆ‡
œˆÊ˜ÃiÀÌ]Ê°xÈÓʏœ˜}]Ê*>ÀÌÊ œ°ÊÎx™£‡È
xÈÓ
ˆ˜`ʜi]Ê
>ÃÃÊÎ]ÊÌ>««i`Ê܈̅Ê>Ê«Õ}ÊÌ>«Êˆ˜Ê>Õ“ˆ˜Õ“
"«iÀ°Ê
œ°Ê
"«iÀ>̈œ˜ÊiÃVÀˆ«Ìˆœ˜Ê
Ê £äÊ ÀˆÊ…œiÊ°În{äɰΙ£äÊ`ˆ>“iÌiÀÊ̜ʓˆ˜ˆ“Õ“Ê`i«Ì…Ê­ˆ“i˜Ãˆœ˜Ê]Ê/>LiÃÊ6ÊEÊ6]Ê*>}iÃÊ£nÊEÊ£™®Ê
ÓxÉÈ{Ê`ÀˆÊ­°Î™äÈ®]Ê/>LiÃÊ6ÊEÊ6]Ê*>}iÃÊ£nÊEÊ£™
Ê ÓäÊ œÕ˜ÌiÀȘŽÊ£Ó䨴x¨Ê̜ʰ{ÓÉ°{xÊ`ˆ>“iÌiÀÊ­ˆ“i˜Ãˆœ˜Ê]Ê/>LiÃÊ6ÊEÊ6]Ê*>}iÃÊÓäÊEÊÓ£®Ê
£Óä¨ÊVœÕ˜ÌiÀȘŽ
Ê ÎäÊ />«ÊÎÉnÊ­°ÎÇx䮇Ó{Ê1 ‡ÎÊ-/Ê/…Ài>`Êi«Ì…Ê°ÈääÊ­ˆ“i˜Ãˆœ˜Ê]Ê/>LiÃÊ6ÊEÊ6]Ê*>}iÃÊÓäÊEÊÓ£®Ê
40 Remove chips
50 Gage according to your sampling plan
Ê ÈäÊ ˜ÃÌ>ÊÎx™£‡È
xÈÓÊiˆ‡
œˆÊˆ˜ÃiÀÌÊÎÉ{Ê̜ʣ‡£ÉÓÊ«ˆÌV…ÊLiœÜÊÃÕÀv>ViÊ
70 Break off tang
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
/œœÊœÀÊ>}i
iˆ‡
œˆÊÌ>«ÊÈ*]Ê/>LiÃÊ8ÊEÊ8]Ê*>}iÃÊÓÓÊEÊÓ{Ê
Air Nozzle
Heli-Coil gage 3694-6, Pages 26 & 27
˜ÃÌ>>̈œ˜Ê/œœÊÇxxӇÈ]Ê*>}iÊә
Heli-Coil tang break-off tool 3692-6, Page 33
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
17
Heli-Coil® Ê`Àˆˆ˜}Ê`>Ì>Êqʈ˜V…
The “ˆ˜ˆ“Õ“ drilling depths shown
below allow for the following
recommended practices:
1. Countersinking the drilled hole
to prevent a feather edge at the
start of the tapped hole.
Ó°Ê ÎÉ{ÊqÊ£‡£ÉÓÊ«ˆÌV…Êœvʈ˜ÃiÀÌÊÊ
Ê
ºÃi̇`œÜ˜» to allow for
maximum production tolerance.
Dimensions are shown for both
plug and bottoming taps.
œÌi\Ê*Õ}ÊÌ>«ÃÊxɣȸʜÀÊnÊ>˜`Ê
smaller have a male center and
the drilled hole depth dimensions
allow for this length (one half of the
diameter of the bolt). Calculation of
dimension “F” is as follows:
/Ê6ÊqÊ Ê,Ê"Ê -" Nominal
Thread
Ê
Ê Size
“F” MINIMUM DRILLING DEPTH FOR EACH INSERT LENGTH
Plug Taps
Bottoming Taps
Suggested Drill Size
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*Standard size drills are suggested even though in these sizes they vary slightly from minor diameter specifications in NASM33537.
18
CERTIFIED
!32EV"s)3/
s)3/43
www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil®Ê`Àˆˆ˜}Ê`>Ì>ÊqʓiÌÀˆV
œÀÊ*Õ}Ê/>«ÃÊxɣȻʜÀÊnÊ>˜`Ê
smaller. F is equal to the insert
nominal length (Q) + ½ the nominal
bolt diameter + 5 Pitch (allowing
for tap chamfer, countersink and
maximum “set-down”).
COUNTERSUNK
120no 5n
chamfer, counter sink and maximum
“set-down”).
œÀÊ*Õ}Ê/>«ÃÊÎÉn»ÊœÀÊ£äÊ>˜`ʏ>À}iÀ°
F is equal to the insert nominal
length (Q) + 5 Pitch (allowing for tap
M
œÀʜÌ̜“ˆ˜}Ê/>«Ã° F is equal to
the insert nominal length (Q) + 3
Pitch (allowing for tap chamfer,
countersink and maximum
“set-down”).
F
F
/Ê6ÊqÊ/,
Ê,Ê"Ê -" Ê
Nominal
Thread
Size
ˆ˜œÀʈ>“iÌiÀÊ Ê-Õ}}iÃÌi`ÊÀˆÊ-ˆâi
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“F” MINIMUM DRILLING DEPTH FOR EACH INSERT LENGTH
Plug Taps
Bottoming Taps
£Êˆ>°Ê
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3.60
4.00
4.30
5.00
5.90
6.80
8.20
10.00
11.00
13.00
16.00
19.00
22.00
24.00
28.00
30.00
32.00
36.00
39.00
44.00
47.00
52.00
55.00
4.60
5.10
5.55
6.50
7.65
8.80
10.70
13.00
14.50
17.00
21.00
25.00
29.00
32.00
37.00
40.00
43.00
48.00
52.50
59.00
63.50
70.00
74.50
5.60
6.60
7.60
6.20
7.30
8.40
6.80
8.05
9.30
8.00
9.50 11.00
9.40 11.15 12.90
10.80 12.80 14.80
13.20 15.70 18.20
16.00 19.00 22.00
18.00 21.50 25.00
21.00 25.00 29.00
26.00 31.00 36.00
31.00 37.00 43.00
36.00 43.00 50.00
40.00 48.00 56.00
46.00 55.00 64.00
50.00 60.00 70.00
54.00 65.00 76.00
60.00 72.00 84.00
66.00 79.50 93.00
74.00 89.00 104.00
80.00 96.50 113.00
88.00 106.00 124.00
94.00 113.50 133.00
12.00
14.00
15.00
17.00
18.00
20.00
22.00
24.00
26.00
28.00
26.00
28.00
30.00
32.00
35.00
38.00
41.00
44.00
47.00
48.00
51.00
16.00
19.00
20.00
23.00
24.00
27.00
30.00
33.00
36.00
39.00
35.00
38.00
41.00
44.00
48.50
53.00
57.50
62.00
66.50
66.00
70.50
20.00 24.00 28.00
24.00 29.00 34.00
25.00 30.00 35.00
29.00 35.00 41.00
30.00 36.00 42.00
34.00 41.00 48.00
38.00 46.00 54.00
42.00 51.00 60.00
46.00 56.00 66.00
50.00 61.00 72.00
44.00 53.00 62.00
48.00 58.00 68.00
52.00 63.00 74.00
56.00 68.00 80.00
62.00 75.50 89.00
68.00 83.00 98.00
74.00 90.50 107.00
80.00 98.00 116.00
86.00 105.50 125.00
84.00 102.00 120.00
90.00 109.50 129.00
M2X0.4
M2.2x0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22x2.5
M24x3
M27x3
M30x3.5
M33x3.5
M36x4
M39x4
2.087
2.297
2.597
3.108
3.630
4.152
5.174
6.217
7.217
8.271
10.324
12.379
14.433
16.433
18.541
20.541
22.541
24.649
27.649
30.757
33.757
36.866
39.866
2.199
2.422
2.722
2.248
3.790
4.332
5.374
6.407
7.407
8.483
10.560
12.644
14.733
16.733
18.896
20.896
22.896
25.049
28.049
31.207
34.207
37.341
40.341
2.1
2.3
2.55
3.15
3.7
4.2
5.2
6.25
7.25
8.3
10.5
12.5
14.5
16.5
18.75
20.75
22.75
24.75
27.75
31
34
37
40
2.1
2.35
2.65
3.2
3.7
4.25
5.3
6.3
7.3
8.4
10.5
12.5
14.5
16.5
18.75
20.75
22.75
24.75
27.75
31
34
37
40
METRIC COARSE
5.40
6.40
7.40
8.40
9.40
6.00
7.10
8.20
9.30 10.40
6.45
7.70
8.95 10.20 11.45
7.50
9.00
10.50 12.00 13.50
8.85 10.60
12.35 14.10 15.85
10.20 12.20
14.20 16.20 18.20
12.30 14.80
17.30 19.80 22.30
15.00 18.00
21.00 24.00 27.00
16.50 20.00
23.50 27.00 30.50
19.50 23.50
27.50 31.50 35.50
19.00 24.00
29.00 34.00 39.00
22.50 28.50
34.50 40.50 46.50
26.00 33.00
40.00 47.00 54.00
28.00 36.00
44.00 52.00 60.00
33.00 42.00
51.00 60.00 69.00
35.00 45.00
55.00 65.00 75.00
37.00 48.00
59.00 70.00 81.00
42.00 54.00
66.00 78.00 90.00
45.00 58.50
72.00 85.50 99.00
51.00 66.00
81.00 96.00 111.00
54.00 70.50
87.00 103.50 120.00
60.00 78.00
96.00 114.00 132.00
63.00 82.50 102.00 121.50 141.00
M8x1
M10x1
M10x1.25*
M12x1.25*
M12x1.5*
M14x1.5*
M16x1.5*
M18x1.5*
M20x1.5*
M22x1.5*
M18x2
M20x2
M22x2
M24x2
M27x2
M30x2
M33x2
M36x2
M39x2
M36x3
M39x3
8.217
10.217
10.271
12.271
12.324
14.324
16.324
18.324
20.324
22.324
18.433
20.433
22.433
24.433
27.433
30.433
33.433
36.433
39.433
36.649
39.649
8.407
10.407
10.483
12.483
12.560
14.560
16.560
18.560
20.560
22.560
18.733
20.733
22.733
24.733
27.733
30.733
33.733
36.733
39.733
37.049
40.049
8.25
10.25
10.25
12.25
12.25
14.25
16.25
18.25
20.25
22.25
18.5
20.5
22.5
24.5
27.5
30.5
33.5
36.5
39.5
37
40
8.3
10.25
10.25
12.25
12.5
14.5
16.5
18.5
20.5
22.5
18.5
20.5
22.5
24.5
27.5
30.5
33.5
36.5
39.5
37
40
METRIC FINE
18.00 22.00
26.00
16.00 21.00
26.00
17.50 22.50
27.50
19.50 25.50
31.50
21.00 27.00
33.00
23.00 30.00
37.00
25.00 33.00
41.00
27.00 36.00
45.00
29.00 39.00
49.00
31.00 42.00
53.00
30.00 39.00
48.00
32.00 42.00
52.00
34.00 45.00
56.00
36.00 48.00
60.00
39.00 52.50
66.00
42.00 57.00
72.00
45.00 61.50
78.00
48.00 66.00
84.00
51.00 70.50
90.00
54.00 72.00
90.00
57.00 76.50
96.00
30.00
31.00
32.50
37.50
39.00
44.00
49.00
54.00
59.00
64.00
57.00
62.00
67.00
72.00
79.50
87.00
94.50
102.00
109.00
108.00
115.50
34.00
36.00
37.50
43.50
45.00
51.00
57.00
63.00
69.00
75.00
66.00
72.00
78.00
84.00
93.00
102.00
111.00
120.00
129.00
126.00
135.00
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* Standard size drills are suggested even though in these sizes they vary slightly from minor diameter limits.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
19
Heli-Coil® ÊÌ>««ˆ˜}Ê`>Ì>Êqʈ˜V…
The minimum tapping depths
shown below (Dimension H) are the
1 for countersunk holes
>˜`Ê>˜Êˆ˜ÃiÀÌÊÃi̇`œÜ˜ÊœvÊ£ÊqÊ£ÉÓÊ
pitch maximum. The calculation for
Dimension “H” is:
ʈÃÊiµÕ>Ê̜ʈ˜ÃiÀÌʘœ“ˆ˜>Êi˜}̅ÊÊ
Ê ³Ê£Ê*ˆÌV…°
PLUG
STYLE
TAP
The tapped hole must be held within
the stated pitch diameter limits
for the required class of fit for the
installed Heli-Coil insert.
BOTTOMING
STYLE
TAP
H
D F
When anodize, Iridite or other
finishes are used, all tapped hole
dimensions must be met after the
finishes are applied.
2 PITCH
INCOMPLETE
THREADS
4 PITCH INCOMPLETE
THREADS
1 PITCH TAP
END CLEARANCE
1 PITCH TAP
END CLEARANCE
/Ê6ÊqÊ Ê/**Ê"Ê -" -
Ê
20
Nominal
Thread
Size
œÕ˜ÌiÀȘŽ
º»Êˆ>“iÌiÀ
­£Óä¨Ê´x¨
ˆ˜VÕ`i`Ê>˜}i®
Ê
Ê
ˆ˜°ÊÊ
>Ý°Ê
Pitch Diameter
Ê
ˆ˜°Ê
ÎÊ
>Ý°Ê
ÓÊ
>Ý°Ê
“H”MINIMUM TAPPING DEPTH
Ê
£Ê
-,/Ê
/ Ê
Ê
Ê
£‡£ÉÓÊ
ÓÊÊ
£‡£ÉÓÊ
1 (.073)-64
2 (.086)-56
3 (.099)-48
4 (.112)-40
5 (.125)-40
6 (.138)-32
8 (.164)-32
10 (.190)-24
12 (.216)-24
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1 (1.000)-8
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.085
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1.0812
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.0843
.0850
.090
.125
.160
.200
.0989
.0996
.100
.150
.190
.230
.1140
.1148
.120
.170
.220
.270
.1299
.1308
.140
.190
.250
.310
.1430
.1438
.150
.210
.280
.340
.1601
.1611
.170
.240
.310
.380
.1862
.1872
.200
.280
.360
.440
.2192
.2203
.230
.330
.420
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.2453
.2464
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.370
.470
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1.0868 1.0890
1.130 1.630 2.130 2.630
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£°ÓÇäÊ £°nÎäÊ Ó°Î™äÊ Ó°™ÈäÊ
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2 (.086)-64
3 (.099)-56
4 (.112)-48
6 (.138)-40
8 (.164)-36
10 (.190)-32
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1.08
1.10
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1.11
1.13
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1.0464
1.0542
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.1119
.1271
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1.0508
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.0981
.100
.145
.190
.1126
.120
.170
.220
.1279
.130
.190
.240
.1569
.160
.230
.300
.1849
.190
.270
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.2133
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.320
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1.0527
1.070 1.570 2.070
1.0608
1.080 1.580 2.080
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2.570
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.610
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3.130
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.0899
.1036
.1175
.1305
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.2250
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1.1681
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Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® ÊÌ>««ˆ˜}Ê`>Ì>ÊqʓiÌÀˆV
Heli-Coil taps in various types and
styles produce holes for Tolerance
Classes 4H5H or 3B and 5H or 2B
for use in the general range of
aluminums, magnesiums, mild steels,
free machining stainless steels and
other free machining materials.
Conventional shop practice and
production procedures, speeds,
feeds and lubricants should be
used in combination with proper
fixturing and good tapping machines
or tapping heads. The tapped hole
must be held within the stated pitch
diameter limits for the required
Tolerance Class of fit for the installed
Heli-Coil insert. For Standard (free
running inserts), a tolerance class 5H
or 2B is recommended. For ScrewLock inserts, a tolerance class 4H5H
or 3B is recommended in order to
develop higher locking torques.
/Ê6ÊqÊ/,
Ê/**Ê"Ê -" Ê
Nominal
Thread
Size
“M” Countersink
Diameter
>Ý°Ê
ˆ˜°Ê
“H” MINIMUM TAPPING DEPTH
Pitch Diameter
ˆ˜°Ê
{ÊÊ>Ý°Ê
xÊ>Ý°Ê
M2X0.4
M2.2x0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22x2.5
M24x3
M27x3
M30x3.5
M33x3.5
M36x4
M39x4
2.30
2.90
3.40
4.00
4.70
5.30
6.40
7.70
8.70
10.10
12.40
14.80
17.10
19.10
21.80
23.80
25.50
28.50
31.50
35.20
38.20
41.90
44.90
2.70
2.40
2.90
3.40
4.10
4.70
5.80
7.10
8.10
9.50
11.80
14.20
16.50
18.50
21.20
23.20
25.20
27.90
30.90
34.60
37.60
41.30
44.30
2.260
2.492
2.792
3.325
3.890
4.455
5.520
6.650
7.650
8..812
10.974
13.137
15.299
17.299
19.624
21.624
23.624
25.948
28.948
32.273
35.273
38.598
41.598
METRIC COARSE
2.295
2.310
2.532
2.547
2.832
2.847
3.367
3.384
3.940
3.959
4.509
4.529
5.577
5.597
6.719
6.742
7.719
7.742
8.886
8.911
11.061
11.089
13.236
13.271
15.406
15.444
17.406
17.444
19.738
19.778
21.738
21.778
23.738
23.778
26.093
26.135
29.093
29.135
32.428
32.472
35.428
35.472
38.763
38.809
41.763
41.809
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M20x1.5
M22x1.5
M18x2
M20x2
M22x2
M24x2
M27x2
M30x2
M33x2
M36x2
M39x2
M36x3
M39x3
9.70
11.70
12.10
14.10
14.40
16.40
18.40
20.40
22.40
24.40
21.10
23.10
25.10
27.10
30.10
33.10
36.10
39.10
42.10
40.50
43.50
9.10
11.10
11.50
13.50
13.80
15.80
17.80
19.80
21.80
23.80
20.50
22.50
24.50
26.50
29.50
32.50
35.50
38.50
41.50
39.90
42.90
8.650
10.650
10.812
12.812
12.974
14.974
16.974
18.974
20.974
22.974
19.299
21.299
23.299
25.299
28.299
31.299
34.299
37.299
40.299
37.948
40.948
8.719
10.719
10.886
12.898
13.067
15.067
17.067
19.067
21.067
23.067
19.406
21.406
23.406
25.414
28.414
31.414
34.414
37.414
40.414
38.093
41.093
METRIC FINE
8.742
10.742
10.911
12.926
13.099
15.099
17.099
19.099
21.099
23.099
19.444
21.444
23.444
25.454
28.454
31.454
34.454
37.454
40.454
38.135
41.135
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
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Tap
Major Dia.
Max.
2.4
2.7
3.0
3.5
4.1
4.7
5.8
7.0
8.0
9.3
11.5
13.8
16.0
18.0
20.5
22.5
24.5
27.0
30.0
33.5
36.5
40.0
43.0
3.4
3.8
4.2
5.0
5.9
6.7
8.3
10.0
11.5
13.3
16.5
19.8
23.0
26.0
29.5
32.5
35.5
39.0
43.5
48.5
53.0
58.0
62.5
4.4
4.9
5.5
6.5
7.6
8.7
10.8
13.0
15.0
17.3
21.5
25.8
30.0
34.0
38.5
42.5
46.5
51.0
57.0
63.5
69.5
76.0
82.0
5.4
6.0
6.7
8.0
9.4
10.7
13.3
16.0
18.5
21.3
26.5
31.8
37.0
42.0
47.5
52.5
57.5
63.0
70.5
78.5
86.0
94.0
101.5
6.4
7.1
8.0
9.5
11.1
12.7
15.8
19.0
22.0
25.3
31.5
37.8
44.0
50.0
56.5
62.5
68.5
75.0
84.0
93.5
102.5
112.0
121.0
2.581
2.845
3.145
3.716
4.354
5.007
6.145
7.422
8.422
9.787
12.131
14.478
16.822
18.822
21.513
23.513
25.513
28.238
31.238
34.925
37.925
41.615
44.615
9.0
11.0
11.3
13.3
13.5
15.5
17.5
19.5
21.5
23.5
20.0
22.0
24.0
26.0
29.0
32.0
35.0
38.0
41.0
39.0
42.0
13.0
16.0
16.3
19.3
19.5
22.5
25.5
28.5
31.5
34.5
29.0
32.0
35.0
38.0
42.5
47.0
51.5
56.0
60.5
57.0
61.5
17.0
21.0
21.3
25.3
25.5
29.5
33.5
37.5
41.5
45.5
38.0
42.0
46.0
50.0
56.0
62.0
68.0
74.0
80.0
75.0
81.0
21.0
26.0
26.3
31.3
31.5
36.5
41.5
46.5
51.5
56.5
47.0
52.0
57.0
62.0
69.5
77.0
84.5
92.0
99.5
93.0
100.5
25.0
31.0
31.3
37.3
37.5
43.5
49.5
55.5
61.5
67.5
56.0
62.0
68.0
74.0
83.0
92.0
101.0
110.0
119.0
111.0
120.0
9.422
11.422
11.787
13.787
14.131
16.131
18.131
20.131
22.131
24.131
20.822
22.822
24.822
26.822
29.822
32.822
35.822
38.822
41.822
40.238
43.238
www.emhart.com
CERTIFIED
!32EV"s)3/
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21
Heli-Coil® Ê-/ÊÌ>«Ê«>ÀÌʘՓLiÀÃÊqʈ˜V…
-/,/Ê1/Ê/*-° Widely used
for general hand and machine tapping
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UÊ œÌ̜“ˆ˜}Ê-ÌޏiÊqÊ­ÓÊ/…Ài>`ÊÊ Ê
Ê …>“viÀ®. Used in blind holes
drilled to a minimum depth that
requires threads be close to
the bottom of the hole.
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…>“viÀ®°
Used in thru holes and blind holes
-*,Ê*" /ÊqÊ*1ÊEÊÊ Ê
that allow for ample chip clearance.
Easier to start and require less tapping Ê -*,Ê1/. Used for efficient
chip disposal in production tapping
torque than bottoming taps.
operations. Available in sizes up
Ê ÌœÊ£ÉÓ¸°
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1 (.073)-64
2 (.086)-56
3 (.099)-48
4 (.112)-40
5 (.125)-40
6 (.138)-32
8 (.164)-32
10 (.190)-24
12 (.216)-24
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grind at the point end of the tap
which shears chips and drives
them forward of the tap. Used
widely in long thru holes and
blind holes with ample chip
clearance. They are free cutting
and provide increased tap
strength. Not recommended for
abrasive materials.
Spiral Point
Plug
ÓÊ
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3 (.099)-56
4 (.112)-48
6 (.138)-40
8 (.164)-36
10 (.190)-32
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!32EV"s)3/
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Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ê-/ÊÌ>«Ê`ˆ“i˜Ãˆœ˜ÃÊqʈ˜V…
UÊ ˆ}…Ê-«ˆÀ>ÊÕÌiÊqʜÌ̜“ˆ˜}ÊÊ Ê
Ê ­ÓÊ/…Ài>`Ê
…>“viÀ®. Have spiral
flute for efficiently pulling stringy
chips out of deep or blind holes in
soft materials.
Ê
Style 1
Style 2
C
Style 3
C
D
C
D
A
D
A
,"1 Ê/*-° Are available for
difficult tapping operations where it
is desirable to reduce the load on the
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Length
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Incl. Chamfer
Length
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Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
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* NOTE: All bottoming taps have male center on thread end removed.
CERTIFIED
23
www.emhart.com
!32EV"s)3/
s)3/43
Heli-Coil® Ê-/ÊÌ>«Ê«>ÀÌʘՓLiÀÃÊqʓiÌÀˆV
-/,/Ê1/Ê/*-° Widely
used for general hand and machine
tapping operations. Available in sizes
up to 39mm.
UÊ *Õ}Ê-ÌޏiÊqÊ­{Ê/…Ài>`Ê
…>“viÀ®°
Used in thru holes and in blind
holes that allow for ample chip
clearance. Easier to start and
require less tapping torque than
bottoming taps.
UÊ œÌ̜“ˆ˜}Ê-ÌޏiÊqÊ­ÓÊ/…Ài>`ÊÊ Ê
Ê …>“viÀ®° Used in blind holes
drilled to a minimum depth that
requires threads be close to
the bottom of the hole.
-*,Ê*" /ÊqÊ*1ÊEÊ-*,Ê
1/° Used for efficient chip
disposal in production tapping
operations. Available in sizes up
to 12mm.
UÊ -«ˆÀ>Ê*œˆ˜Ìi`ÊqÊ*Õ}Ê­{Ê/…Ài>`ÊÊ
Ê …>“viÀ®° Incorporates an
angular grind at the point end of the
tap which shears chips and drives
them forward of the tap. Used
widely in long thru holes and blind
holes with ample chip clearance.
They are free cutting and provide
increased tap strength. Not
recommended for abrasive
materials.
/Ê8Êqʇ
"Ê-/Ê/*Ê*,/Ê 1,-
Ê
24
Nominal
Thread
Size
{xÊ
M2X0.4
M2.2x0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22x2.5
M24x3
M27x3
M30x3.5
M33x3.5
M36x4
M39x4
4687-2
4687-2.2
4687-2.5
4687-3
4687-3.5
4687-4
4687-5
4687-6
4687-7
4687-8
4687-10
4687-12
4687-14
4687-16
4687-18
4687-20
4687-22
4687-24
4687-27
4687-30
4687-33
4687-36
4687-39
2087-2
2087-2.2
2087-2.5
2087-3
2087-3.5
2087-4
2087-5
2087-6
2087-7
2087-8
2087-10
2087-12
2087-14
2087-16
2087-18
2087-20
2087-22
2087-24
2087-27
2087-30
2087-33
2087-36
2087-39
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M20x1.5
M22x1.5
M18x2
M20x2
M22x2
M24x2
M27x2
M30x2
M33x2
M36x2
M39x2
M36x3
M39x3
5484-8
5484-10
5444-10
5444-12
5476-12
5476-14
5476-16
5476-18
5476-20
5476-22
5490-18
5490-20
5490-22
5490-24
5490-27
5490-30
5490-33
5490-36
5490-39
5496-36
5496-39
4984-8
4984-10
4944-10
4944-12
4976-12
4976-14
4976-16
4976-18
4976-20
4976-22
4990-18
4990-20
4990-22
4990-24
4990-27
4990-30
4990-33
4990-36
4990-39
4996-36
4996-39
Plug
CERTIFIED
!32EV"s)3/
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Straight Flute
Bottoming
xÊ
{xÊ
xÊ
Sprial Point
Plug
{xÊ
METRIC COARSE
2093-2
4863-2
2093-2.2
4863-2.2
2093-2.5
4863-2.5
2093-3
4863-3
2093-3.5
4863-3.5
2093-4
4863-4
2093-5
4863-5
2093-6
4863-6
2093-7
4863-7
2093-8
4863-8
2093-10
4863-10
2093-12
4863-12
2093-14
2093-16
2093-18
2093-20
2093-22
2093-24
2093-27
2093-30
2093-33
2093-36
2093-39
METRIC FINE
5486-8
4986-8
4864-8
5486-10
4986-10
4864-10
5445-10
4945-10
4865-10
5445-12
4945-12
4865-12
5477-12
4977-12
4866-12
5477-14
4977-14
5477-16
4977-16
5477-18
4977-18
5477-20
4977-20
5477-22
4977-22
5492-18
4992-18
5492-20
4992-20
5492-22
4992-22
5492-24
4992-24
5492-27
4992-27
5492-30
4992-30
5492-33
4992-33
5492-36
4992-36
5492-39
4992-39
5497-36
4997-36
5497-39
4997-39
4693-2
4693-2.2
4693-2.5
4693-3
4693-3.5
4693-4
4693-5
4693-6
4693-7
4693-8
4693-10
4693-12
4693-14
4693-16
4693-18
4693-20
4693-22
4693-24
4693-27
4693-30
4693-33
4693-36
4693-39
www.emhart.com
xÊ
High Spiral Flute
Bottoming
{xÊ
x
4763-2
4763-2.2
4763-2.5
4763-3
4763-3.5
4763-4
4763-5
4763-6
4763-7
4763-8
4763-10
4763-12
5081-2
5081-2.2
5081-2.5
5081-3
5081-3.5
5081-4
5081-5
5081-6
5081-7
5081-8
5081-10
5081-12
4681-2
4681-2.2
4681-2.5
4681-3
4681-3.5
4681-4
4681-5
4681-6
4681-7
4681-8
4681-10
4681-12
4764-8
4764-10
4765-10
4765-12
4766-12
5066-8
5066-10
5067-10
5067-12
5068-12
4666-8
4666-10
4667-10
4667-12
4668-12
Roughing
Tap
3765-12
3765-14
3765-16
3765-18
3765-20
3765-22
3765-24
3767-12
3768-12
3768-14
3768-16
3768-18
3768-20
3768-22
3769-18
3769-20
3769-22
3769-24
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ê-/ÊÌ>«Ê`ˆ“i˜Ãˆœ˜ÃIÊqʓiÌÀˆV
UÊ ˆ}…Ê-«ˆÀ>ÊÕÌiÊqʜÌ̜“ˆ˜}ÊÊÊ
Ê ­ÓÊ/…Ài>`Ê
…>“viÀ®° Have spiral
flute for efficiently pulling
stringy chips out of deep or
blind holes in soft materials.
,"1 Ê/*-° Are available for
difficult tapping operations where it
is desirable to reduce the load on the
finishing tap. Available in sizes 12mm
thru 24mm.
1-/"Ê-/Ê/*-Ê­˜V…Ê>˜`ÊiÌÀˆVÊ-iÀˆiî
Taps made to alternate limits, configurations, or to cut difficult materials, or for
very high production are available upon
request. The following data should be
provided at the time of ordering:
UÊ /…Ài>`ÊÈâi
UÊ ˆ˜ˆÃ…i`ʅœiÊV>ÃÃʜvÊwÌ°ÊÝ>“«i\
{x]ÊÎ]ÊVÕÃ̜“Ê«Ài‡«>ÌiÊ
Ê ÀiµÕˆÀi“i˜Ìð
UÊ >ÌiÀˆ>Ê̜ÊLiÊVÕÌ]Ê>˜`ʈÌÃʅ>À`˜iÃð
UÊ
Ê
Ê
UÊ
Ê
Ê
UÊ
Ê
Ê
UÊ
œiÊVœ˜w}ÕÀ>̈œ˜°ÊÝ>“«i\Ê/…ÀÕʜÀÊÊ
ˆ˜`ʈ˜VÕ`ˆ˜}ʏi˜}̅ʜvÊ`Àˆi`Ê>˜`ÊÊ
Ì>««i`ʅœi°
/Þ«iÊÌ>«°ÊÝ>“«i\Ê*Õ}ʜÀʜÌ̜“ˆ˜}ÊÊ
-ÌÀ>ˆ}…ÌʏÕÌi]Ê-«ˆÀ>Ê*œˆ˜Ì]Ê-«ˆÀ>ÊÊ
ÕÌi°
-«iVˆ>Êvi>ÌÕÀiðÊÝ>“«i\Êi˜}̅]ÊÊ
-…>˜ŽÊˆ>“iÌiÀ]Ê
…>“viÀÊi˜}̅]Ê/>«ÊÊ
>ÌiÀˆ>°
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Thread
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Tolerance
´Ê
* Tap dimensions in millimeters.
/,Ê /Ê
““Ê
Tolerance
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-
- Ê/,
Ê/,Ê ÊÊÊÊ-<Ê"Ê-+1,Ê
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Tolerance
‡Êœ˜ÞÊ
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-+1,Ê /
Tolerance
‡Êœ˜ÞÊ
““Ê
Tolerance
´
M2x0.4
M2.2X0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22X2.5
M24X3
M27X3
M30X3.5
M33X3.5
M36X4
M39X4
46.04
47.62
49.21
50.80
53.98
60.32
63.50
69.06
74.61
74.61
85.72
91.28
102.39
107.95
119.06
124.62
130.18
138.11
146.05
153.99
161.92
177.80
177.80
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
1.59
1.59
1.59
1.59
1.59
1.59
12.70
14.29
15.88
17.46
19.05
22.22
25.40
28.58
31.75
31.75
42.07
42.07
46.04
50.80
56.36
56.36
63.50
65.09
65.09
76.20
76.20
80.96
80.96
METRIC COARSE
1.19
3.58
1.19
3.58
1.19
3.58
1.19
3.58
1.19
4.27
1.19
4.93
1.59
6.48
1.59
8.08
1.59
9.68
1.59
9.68
1.59
9.32
2.38
10.90
2.38
13.77
2.38
14.99
2.38
17.70
2.38
19.30
2.38
20.32
2.38
22.76
2.38
25.98
2.38
28.14
2.38
31.32
3.18
36.32
3.18
36.32
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.08
0.08
2.80
2.79
2.79
2.79
3.33
3.86
4.85
6.04
7.26
7.26
6.98
8.18
10.31
11.23
13.28
14.48
15.24
17.07
19.46
21.11
23.50
27.23
27.23
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.15
0.15
0.15
0.15
0.15
0.15
0.20
0.20
0.20
0.20
0.20
0.20
4.77
4.76
4.76
4.76
6.35
6.35
7.94
9.52
11.11
11.11
11.11
12.70
15.88
17.46
19.05
19.05
20.64
22.22
25.40
26.99
28.58
31.75
31.75
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
1.59
1.59
1.59
1.59
1.59
1.59
M8X1
M10X1
M10X1.25
M12X1.25
M12X1.5
M14X1.5
M16X1.5
M18X1.5
M20X1.5
M22X1.5
M18X2
M20X2
M22X2
M24X2
M27X2
M30X2
M33X2
M36X2
M39X2
M36X3
M39X3
74.61
80.71
85.72
91.28
91.28
96.84
107.95
113.51
119.06
130.18
113.51
124.62
130.18
130.18
138.11
146.05
153.99
169.86
177.80
169.86
177.80
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
1.59
1.59
1.59
1.59
1.59
1.59
1.59
1.59
31.75
36.51
42.07
42.07
42.07
46.04
50.80
50.80
56.36
63.50
50.80
56.36
63.50
63.50
65.09
65.09
76.20
80.96
80.96
80.96
80.96
METRIC FINE
1.59
9.68
1.59
8.20
1.59
9.32
2.38
10.90
2.38
10.90
2.38
12.19
2.38
14.99
2.38
16.56
2.38
17.70
2.38
20.32
2.38
16.56
2.38
19.30
2.38
20.32
2.38
22.76
2.38
25.93
2.38
28.14
2.38
31.32
3.18
33.15
3.18
36.32
3.18
33.15
3.18
36.32
0.04
0.04
0.04
0.04
0.04
0.04
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.08
0.08
0.08
0.08
7.26
6.15
6.98
8.18
8.18
9.14
11.23
12.42
13.28
15.24
12.42
14.48
15.24
17.07
19.46
21.11
23.50
24.87
27.23
24.87
27.23
0.10
0.10
0.10
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
11.11
10.32
11.11
12.70
12.70
14.29
17.46
17.46
19.05
20.64
17.46
19.05
20.64
22.22
25.40
26.99
28.58
28.58
31.75
28.58
31.75
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
1.59
1.59
1.59
1.59
1.59
1.59
1.59
1.59
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
25
Heli-Coil® Ê}>}iÃÊqʈ˜V…
Accuracy of the finished thread
when the insert is installed is
dependent upon the accuracy of
the tapped hole. If the finished
tapped hole gages satisfactorily,
the installed insert will be within the
thread tolerance. ÌʈÃʘœÌʘiViÃÃ>ÀÞÊ
̜Ê}>}iÊ̅iʈ˜ÃÌ>i`ʈ˜ÃiÀÌ° After
the insert is installed, the " thread
plug gage may not enter freely;
however, the insert will always
seat itself when the bolt or screw is
installed and tightened. (Reference
NASM33537).
Gage handles and all gage nibs are
marked with the extreme product
limits for the particular size and class
of fit. (See Pages 20 & 21, Tables VII
& VIII, Pitch Diameter Limits).
When gaging tapped holes which
have been thoroughly cleaned
or which have a protective finish
applied, the gage should always be
lubricated with light oil.
nib may enter provided a definite
drag results on or before 3rd turn
from entry – Ref. FED-STD-H28,
Screw thread Standards for Federal
Services.
Heli-Coil STI Thread Plug Gages for
checking the tapped hole are listed
in the table at right.
HELI-COIL STI
GAGE WITH GO
& HI MEMBERS
26
CERTIFIED
!32EV"s)3/
s)3/43
Working gages provide a guaranteed
minimum wear allowance on the
pitch diameter of the " members
of two ten thousandths of an
inch (.0002). These gages are
recommended for production in
ÈâiÃÊ£ÉÓʈ˜V…Ê>˜`ÊÓ>iÀ°
WORKING GAGES
Nominal
Thread
Size
1 (.073)-64
2 (.086)-56
3 (.099)-48
4 (.112)-40
5 (.125)-40
6 (.138)-32
8 (.164)-32
10 (.190)-24
12 (.216)-24
£É{Ê­°Óxä䮇ÓäÊ
xÉ£ÈÊ­°Î£Óx®‡£nÊ
ÎÉnÊ­°ÎÇx䮇£ÈÊ
ÇÉ£ÈÊ­°{ÎÇx®‡£{Ê
£ÉÓÊ­°xää䮇£ÎÊ
™É£ÈÊ­°xÈÓx®‡£ÓÊ
xÉnÊ­°ÈÓx䮇££Ê
ÎÉ{Ê­°Çxä䮇£äÊ
ÇÉnÊ­°nÇx䮇™Ê
1 (1.000)-8
£‡£ÉnÊ­£°£Óx䮇ÇÊ
£‡£É{Ê­£°Óxä䮇ÇÊ
£‡ÎÉnÊ­£°ÎÇx䮇ÈÊ
£‡£ÉÓÊ­£°xää䮇ÈÊ
2 (.086)-64
3 (.099)-56
4 (.112)-48
6 (.138)-40
8 (.164)-36
10 (.190)-32
£É{Ê­°Óxä䮇ÓnÊ
xÉ£ÈÊ­°Î£Óx®‡Ó{Ê
ÎÉnÊ­°ÎÇx䮇Ó{Ê
ÇÉ£ÈÊ­°{ÎÇx®‡ÓäÊ
£ÉÓÊ­°xää䮇ÓäÊ
™É£ÈÊ­°xÈÓx®‡£nÊ
xÉnÊ­°ÈÓx䮇£nÊ
ÎÉ{Ê­°Çxä䮇£ÈÊ
ÇÉnÊ­°nÇx䮇£{Ê
1 (1.0000)-14
1 (1.0000)-12
£‡£ÉnÊ­£°£Óx䮇£ÓÊ
£‡£É{Ê­£°Óxä䮇£ÓÊ
£‡ÎÉnÊ­£°ÎÇx䮇£ÓÊ
£‡£ÉÓÊ­£°xää䮇£ÓÊ
www.emhart.com
Reference gages have pitch
diameters on or close to minimum
(basic size). They are essentially
laboratory or master gages and
should be used in case of conflict
between two working gages. Conflict
can occur when one of the gages has
experienced more use and wear.
REFERENCE GAGES
Suggested for
Longer Wear Life
Suggested as
Master Gages
3B
3B
2B
UNIFIED COARSE THREAD (UNC)
3688-01
1442-01
1688-01
3688-02
1442-02
1688-02
3688-03
1442-03
1688-03
3688-04
1442-04
1688-04
3688-05
1442-05
1688-05
3688-06
1442-06
1688-06
3688-2
1442-2
1688-2
3688-3
1442-3
1688-3
3688-1
1442-1
1688-1
ÎÈnn‡{Ê
£{{Ӈ{Ê
£Ènn‡{Ê
ÎÈnn‡xÊ
£{{ӇxÊ
£Ènn‡xÊ
ÎÈnn‡ÈÊ
£{{ӇÈÊ
£Ènn‡ÈÊ
ÎÈnn‡ÇÊ
£{{ӇÇÊ
£Ènn‡ÇÊ
ÎÈnn‡nÊ
£{{ӇnÊ
£Ènn‡nÊ
Ê
Ê
£Ènn‡™Ê
Ê
Ê
£Ènn‡£äÊ
Ê
Ê
£Ènn‡£ÓÊ
Ê
Ê
£Ènn‡£{Ê
1688-16
Ê
Ê
£Ènn‡£nÊ
Ê
Ê
£Ènn‡ÓäÊ
Ê
Ê
£Ènn‡ÓÓÊ
Ê
Ê
£Ènn‡Ó{Ê
UNIFIED FINE THREAD (UNF)
3694-02
1443-02
1694-02
3694-03
1443-03
1694-03
3694-04
1443-04
1694-04
3694-06
1443-06
1694-06
3694-2
1443-2
1694-2
3694-3
1443-3
1694-3
Îș{‡{Ê
£{{·{Ê
£È™{‡{Ê
Îș{‡xÊ
£{{·xÊ
£È™{‡xÊ
Îș{‡ÈÊ
£{{·ÈÊ
£È™{‡ÈÊ
Îș{‡ÇÊ
£{{·ÇÊ
£È™{‡ÇÊ
Îș{‡nÊ
£{{·nÊ
£È™{‡nÊ
Ê
Ê
£È™{‡™Ê
Ê
Ê
£È™{‡£äÊ
Ê
Ê
£È™{‡£ÓÊ
Ê
Ê
£È™{‡£{Ê
1694-16
1694-161
Ê
Ê
£È™{‡£nÊ
Ê
Ê
£È™{‡ÓäÊ
Ê
Ê
£È™{‡ÓÓÊ
Ê
Ê
£È™{‡Ó{Ê
2B
1440-01
1440-02
1440-03
1440-04
1440-05
1440-06
1440-2
1440-3
1440-1
£{{ä‡{
£{{ä‡x
£{{ä‡È
£{{ä‡Ç
£{{ä‡n
£{{䇙
£{{䇣ä
£{{䇣Ó
£{{䇣{
1440-16
£{{䇣n
£{{ä‡Óä
£{{ä‡ÓÓ
£{{ä‡Ó{
1441-02
1441-03
1441-04
1441-06
1441-2
1441-3
£{{£‡{Ê
£{{£‡xÊ
£{{£‡ÈÊ
£{{£‡ÇÊ
£{{£‡n
£{{£‡™Ê
£{{£‡£ä
£{{£‡£ÓÊ
£{{£‡£{
1441-16
1441-161
£{{£‡£nÊ
£{{£‡ÓäÊ
£{{£‡ÓÓÊ
£{{£‡Ó{Ê
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ê}>}iÃÊqʓiÌÀˆV
Accuracy of the finished thread,
when the insert is installed, is
dependent upon the accuracy of
the tapped hole. If the finished
tapped hole gages satisfactorily,
the installed insert will be within the
thread tolerance. It is, therefore,
˜œÌʘiViÃÃ>ÀÞÊ̜Ê}>}iÊ̅iʈ˜ÃÌ>i`Ê
ˆ˜ÃiÀÌ°
Heli-Coil STI Thread Plug Gages
(metric) for checking the tapped hole
are listed below.
The complete gage consists of the
"Êthread plug gage, the thread
plug gage and the appropriately
marked gage handle.
Nominal
Thread
Size
M2x0.4
M2.2X0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22X2.5
M24X3
M27X3
M30X3.5
M33X3.5
M36X4
M39X4
M8X1
M10X1
M10X1.25
M12X1.25
M12X1.5
M14X1.5
M16X1.5
M18X1.5
M20X1.5
M22X1.5
M18X2
M20X2
M22X2
M24X2
M27X2
M30X2
M33X2
M36X2
M39X3
Complete Gage
4H5H
METRIC COARSE
4624-2
4624-2.2
4624-2.5
4624-3
4624-3.5
4624-4
4624-5
4624-6
4624-7
4624-8
4624-10
4624-12
4624-14
4624-16
4624-18
4624-20
4624-22
4624-24
4624-27
4624-30
4624-33
4624-36
4624-39
METRIC FINE
5416-8
5416-10
5424-10
5424-12
5480-12
5480-14
5480-16
5480-18
5480-20
5480-22
5418-18
5418-20
5418-22
5418-24
5418-27
5418-30
5418-33
5421-36
5421-39
5H
1324-2
1324-2.2
1324-2.5
1324-3
1324-3.5
1324-4
1324-5
1324-6
1324-7
1324-8
1324-10
1324-12
1324-14
1324-16
1324-18
1324-20
1324-22
1324-24
1324-27
1324-30
1324-33
1324-36
1324-39
After the insert is installed, the "
thread plug gage may not enter
freely; however, the insert will
always seat itself when the bolt or
screw is installed and tightened.
(Reference MA1567)
When gaging tapped holes which
have been thoroughly cleaned
or which have a protective finish
applied, the gage should always be
lubricated with light oil.
The thread plug gage may enter
provided that a definite drag results
on or before the second turn of entry.
(Reference ANSI B1.16)
4916-8
4916-10
4924-10
4924-12
4980-12
4980-14
4980-16
4980-18
4980-20
4980-22
4918-18
4918-20
4918-22
4918-24
4918-27
4918-30
4918-33
4921-36
4921-39
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
27
Heli-Coil® Ê̜œˆ˜}
Hand Inserting Tools
Types of Tools
Tool Service
The various tools to install HeliCoil inserts are presented on the
following pages.
All Heli-Coil tooling is backed by our
extensive expertise and experience
in virtually any application. Of
course, all tools are fully warranteed.
In addition, our Application
Engineering Department is always
available to assist in installation
techniques, special tooling (longer
or shorter length tools, etc.)
and tool service. For very high
production, Heli-Coil will provide
for the successful development of
automated installation systems.
For production runs, prototype work,
salvage, and repair, hand inserting
tools are available. For high volume
production, power inserting tools are
also available. Both types of tools
are dimensioned (pages 29 and 31) to
aid determination of accessibility to
the tapped hole.
Both hand and power inserting tools
feature a threaded mandrel which
engages the insert and provides a
positive lead to guide the insert into
the tapped hole easily and quickly.
Power inserting tools consist of an
air motor, adapter and front end
assembly. The front end assembly
consists of a prewinder, mandrel
and 3 spacers (1 for each length of
insert to be installed). The versatility
and adaptability of Heli-Coil power
inserting tools is shown on page 32.
The tool can be hand held, vertically
or horizontally mounted, and adapted
to both semi-automatic and fully
automatic installation stations. HeliCoil power inserting tools can be
adapted to assembly stations, rotary
tables and transfer lines.
/9*ÊÊ/…Ài>`i`Ê>˜`Ài
/9*ÊÊ*Ài܈˜`iÀ
/9*ÊÊ/…Ài>`i`Ê>˜`Ài
/9*Ê6Ê œ˜‡
>«ÌˆÛiÊ*Ài܈˜`iÀ
Pictured above are the various
designs of Heli-Coil hand inserting
tools. Generally, finer pitch inserts
are proportionately larger in the
free state than coarse pitch inserts
and thus have to be “pre-wound” to
a smaller diameter for installation.
Large coarse pitch inserts (and
›Ó‡xÈ]ʛ·{nÊ>˜`ÊÓ°Óʈ˜ÃiÀÌîʘii`Ê
only a threaded mandrel tool for
installation.
28
CERTIFIED
!32EV"s)3/
s)3/43
www.emhart.com
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® ʅ>˜`ʈ˜ÃiÀ̈˜}Ê̜œÃ
Nominal
Thread
Size
>˜`ʘÃiÀ̈˜}Ê/œœÃÊ Tool
Îʈ>°Êi˜}̅ÃÊ̅ÀÕÊÇÉnÊÊ
Óʈ>°Êi˜}̅ÃÊ£»ÊEÊ1« /Þ«i
UNIFIED COARSE (UNC)
1 (.073)-64
7551-01
2 (.086)-56
551-02
3 (.099)-48
551-03
4 (.112)-40*
7551-04
5 (.125)-40
7551-05
6 (.138)-32
7551-06
8 (.164)-32*
7551-2
10 (.190)-24*
7551-3 (M)
12 (.216)-24
7551-1 (M)
£É{Ê­°Óxä䮇ÓäÊ
Çxx£‡{Ê­®Ê
xÉ£ÈÊ­°Î£Óx®‡£nÊ
Çxx£‡xÊ­®Ê
ÎÉnÊ­°ÎÇx䮇£ÈÊ
Çxx£‡ÈÊ­®Ê
ÇÉ£ÈÊ­°{ÎÇx®‡£{Ê
Çxx£‡ÇÊ­®Ê
£ÉÓÊ­°xää䮇£ÎÊ
Çxx£‡nÊ­®Ê
™É£ÈÊ­°xÈÓx®‡£ÓÊ
ÎÇÓ{‡™Ê
xÉnÊ­°ÈÓx䮇££Ê
ÎÇÓ{‡£äÊ
ÎÉ{Ê­°Çxä䮇£äÊ
ÎÇÓ{‡£ÓÊ
ÇÉnÊ­°nÇx䮇™Ê
ÎÇÓ{‡£{Ê
1 (1.0000)-8
3724-16
£‡£ÉnÊ­£°£Óx䮇ÇÊ
ÎÇÓ{‡£nÊ
£‡£É{Ê­£°Óxä䮇ÇÊ
ÎÇÓ{‡ÓäÊ
£‡ÎÉnÊ­£°ÎÇx䮇ÈÊ
ÎÇÓ{‡ÓÓÊ
£‡£ÉÓÊ­£°xää䮇ÈÊÊÊÊÊÊÊ ÎÇÓ{‡Ó{ÊÊÊÊÊÊÊ
UNIFIED FINE (UNF)
2 (.086)-64
7552-02
3 (.099)-56
7552-03
4 (.112)-48
7552-04
6 (.138)-40
7552-06
8 (.164)-36
7552-2
10 (.190)-32
7552-3 (M)
£É{Ê­°Óxä䮇ÓnÊ
ÇxxӇ{Ê­®Ê
xÉ£ÈÊ­°Î£Óx®‡Ó{Ê
ÇxxӇxÊ­®Ê
ÎÉnÊ­°ÎÇx䮇Ó{Ê
ÇxxӇÈÊ­®ÊÊ
ÇÉ£ÈÊ­°{ÎÇx®‡ÓäÊ
ÇxxӇÇÊ­®Ê
£ÉÓÊ­°xää䮇ÓäÊ
ÇxxӇnÊ­®Ê
™É£ÈÊ­°xÈÓx®‡£nÊ
xÎx‡™Ê
xÉnÊ­°ÈÓx䮇£nÊ
xÎx‡£äÊ
ÎÉ{Ê­°Çxä䮇£ÈÊ
xÎx‡£ÓÊ
ÇÉnÊ­°nÇx䮇£{Ê
xÎx‡£{Ê
1 (1.0000)-14
535-16
1 (1.0000)-12
535-161
£‡£ÉnÊ­£°£Óx䮇£ÓÊ
xÎx‡£nÊ
£‡£É{Ê­£°Óxä䮇£ÓÊ
xÎx‡ÓäÊ
£‡ÎÉnÊ­£°ÎÇx䮇£ÓÊ
xÎx‡ÓÓÊ
£‡£ÉÓÊ­£°xää䮇£ÓÊ
xÎx‡Ó{Ê
C
IV
I
I
II
II
II
II
II
II
Ê
Ê
Ê
Ê
Ê
III
Ê
IV
II
II
II
II
II
6
6
6Ê
6
IV
IV
6
6
6Ê
6
Nominal
Thread
Size
B
A
/9*ÊÊ/…Ài>`i`Ê>˜`Ài
B
C
A
/9*ÊÊ*Ài܈˜`iÀI
C
M2X0.4
M2.2x0.45
M2.5x0.45*
M3x0.5*
M3.5x0.6
M4x0.7
M5x0.8*
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
M14x2
M16x2
M18x2.5
M20x2.5
M22X2.5
M24X3
M27X3
M30X3.5
M33X3.5
M36X4
M39X4
B
A
/9*ÊÊ/…Ài>`i`Ê>˜`Ài
C
B
A
/9*Ê6Ê œ˜‡
>«ÌˆÛiÊ*Ài܈˜`iÀ
M8X1
M10X1
M10X1.25
M12X1.25
M12X1.5
M14X1.5
M16X1.5
M18X1.5
M20X1.5
M22X1.5
M18X2
M20X2
M22X2
M24X2
M27X2
M30X2
M33X2
M36X2
M39X2
M36x3
M39x3
>˜`ʘÃiÀ̈˜}Ê/œœÃÊ
Îʈ>°Êi˜}̅ÃÊ̅ÀÕÊÓÓ
ÊÓʈ>°Êi˜}̅ÃÊÓ{ÊEÊ1«
METRIC COARSE
7751-2
7751-2.2
7751-2.5
7751-3
7751-3.5
7751-4
7751-5 (M)
7751-6 (M)
7751-7 (M)
7751-8 (M)
7751-10 (M)
7751-12 (M)
7751-14
7751-16
7751-18
7751-20
7751-22
7751-24
7751-27
7751-30
7751-33
7751-36
7751-39
METRIC FINE
7755-8
7755-10
7756-10
7756-12
7753-12
7753-14
7753-16
7753-18
7753-20
7753-22
7754-18
7754-20
7754-22
7754-24
7754-27
7754-30
7754-33
7754-36
7754-39
7752-36
7752-39
Tool
/Þ«i
IV
I
II
II
II
II
II
II
II
II
II
II
IV
IV
III
IV
III
IV
III
III
III
III
III
II
II
II
II
II
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
IV
* Special tools required to install Phosphor Bronze and Inconel X-750 inserts in these sizes. To order add “-9” to the part number shown.
œÌi\ÊʘÃiÀÌÃʓ>ÀŽi`Ê܈̅Ê>˜Ê¸­®¸Ê>ÀiÊ>Û>ˆ>LiÊ܈̅Ê>ÊÃÌiiÊ«Ài܈˜`iÀ°ÊÊ
For this option, specify when ordering (e.g., 7551-3M).
Hand Inserting Tool Dimensions
Ê /,
Ê ÊÊÊÊ
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Canada (514) 351-0330 U Mexico +52-55-5326-7100
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* M14 & M16 Coarse are Type IV Tools. For metric
sizes not shown, see next largest size.
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
29
Heli-Coil® inch power inserting tools
Heli-Coil power tools are available
in UNC and UNF sizes #2 thru 1/2"*
for rapid installation of Heli-Coil
inserts. Power tools consist of a
Front End Assembly, an Adapter
and a reversible Air Motor. All three
components are ordered separately.
A Front End Assembly consists of
a prewinder, mandrel and spacers.
Select the adapter that corresponds
FRONT END ASSEMBLY
Large Adapter
Small Adapter
Nominal
P/N for
Thread
Bulk Inserts
Size
(2 dia. max.)
INCH COARSE THREAD (UNC)
2 (.086)-56
4 (.112)-40
5 (.125)-40
6 (.138)-32
8 (.164)-32
10 (.190)-24
1/4 (.2500)-20
5/16 (.3125)-18
3/8 (.3750)-16
7/16 (.4375)-14
1/2(.5000)-13
–
8551-04
8551-05
8551-06
8551-2
8551-3
8551-4
8251-5
8251-6
8251-7
8251-8
P/N for
Strip Feed
Inserts
with the insert size being used.
Power tools for strip feed inserts are
available in sizes #2 through 5/16".
PREWINDERS
SPACERS
P/N for
Bulk
Inserts
P/N for
Strip Feed
Inserts
MANDRELS
1 Dia.
8551-02-15
8551-04-15
–
8551-06-15
8551-2-15
8551-3-15
8551-4-15
8251-5-15
–
–
–
–
8557-04
8557-05
8557-06
8557-2
8557-3
8557-4
8257-5
8257-6
8257-7
8257-8
8557-02-15
8557-04-15
–
8557-06-15
8557-2-15
8557-3-15
8557-4-15
8257-5-15
–
–
–
8553-02
8553-04
8553-05
8553-06
8553-2
8553-3
8553-4
8253-5
8253-6
8253-7
8253-8
8559-02
8559-04
8559-05
8559-06
8559-2
8559-3
8559-4
8259-5-10
8259-6-10
8259-7-10
8259-8-10
8560-02
8560-04
8560-05
8560-06
8560-2
8560-3
8560-4
8259-5-15
8259-6-15
8259-7-15
8259-8-15
8561-02
8561
8561
8561
8561
8561
8561
–
8552-3-15
8552-4-15
8252-5-15
–
–
–
8558-06
8558-3
8558-4
8258-5
8358-6
8258-7
8258-8
–
8558-3-15
8558-4-15
8258-5-15
–
–
–
8554-06
8554-3
8554-4
8254-5
8254-6
8254-7
8254-8
8559-06
8559-3
8559-4
8259-5-10
8259-6-10
8259-7-10
8259-8-10
8560-06
8560-3
8560-4
8259-5-15
8259-6-15
8259-7-15
8259-8-15
8561
8561
8561
1-1/2 Dia.
2 Dia.
NONE
REQ’D
Large Adapter Small Adapter
INCH FINE THREAD (UNF)
6 (.138)-40
10 (.190)-32
1/4 (.2500)-28
5/16 (.3125)-24
3/8 (.3750)-24
7/16 (.4375)-20
1/2 (.5000)-20
8552-06
8552-3
8552-4
8252-5
8252-6
8252-7
8252-8
NONE
REQ’D
*Tools for larger sizes or special applications are available upon request.
Complete Power Tool Assembly
Large Adapter
8550-1R
(Sizes > 1/4" or M6)
Small Adapter
8550R
(Sizes < 1/4" or M6)
Air Motor
8510-1
Front End Assembly
Power Tool Holder, Part No. 23537, can be
used with or without Strip Feed inserts.
Note: Recommended for use with 2-56,
M2.2x0.45 & M2.5x0.45 power tool.
Prewinder
30
CERTIFIED
!32EV"s)3/
s)3/43
Spacers
www.emhart.com
Mandrel
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® “iÌÀˆVÊ«œÜiÀʈ˜ÃiÀ̈˜}Ê̜œÃÊ
Heli-Coil metric power inserting tools
are available in coarse and fine sizes
up to 12mm* for rapid installation
of standard and screw-lock
inserts, reducing assembly costs
substantially. Strip feed power tools
are available in sizes up to 7mm.
They speed up assembly, eliminate
waste and permit an accurate count.
Power tools consist of a Àœ˜ÌÊ
˜`ÊÃÃi“LÞ] an `>«ÌiÀ and
a reversible ˆÀʜ̜À° All three
components are ordered individually.
A front end assembly consists of a
*,7 ,-
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/…Ài>`Ê
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­ÓÊ`ˆ>°Ê“>Ý°®Ê
˜ÃiÀÌÃÊ
prewinder, mandrel and spacers.
Select an Adapter that is compatible
with the Air Motor to be used, and
for the size range up thru 6mm or the
size range 7mm thru 12mm.
*É ÊvœÀÊ
ՏŽÊ
˜ÃiÀÌÃÊ
*É ÊvœÀ
-ÌÀˆ«Êii`
˜ÃiÀÌÃÊ
-Ê*ÊÊ
ÊÊ,Ê-Ê
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£‡£ÉÓʈ>°Ê
Óʈ>°
8777-2.2
8777
8777
8777
8777
8777
8777
Large Adapter
Large Adapter
Small Adapter
/,
Ê
",-
M2.2x0.45
M2.5x0.45
M3x0.5
M3.5x0.6
M4x0.7
M5x0.8
M6x1
M7x1
M8x1.25
M10x1.5
M12x1.75
/,
Ê –
8751-2.5
8751-3
8751-3.5
8751-4
8751-5
8751-6
8751-7
8751-8
8751-10
8751-12
8751-2.2-15
8751-2.5-15
8751-3-15
8751-3.5-15
8751-4-15
8751-5-15
8751-6-15
8751-7-15
–
–
–
–
8769-2.5
8769-3
8769-3.5
8769-4
8769-5
8769-6
8769-7
8769-8
8769-10
8769-12
8769-2.2-15
8769-2.5-15
8769-3-15
8769-3.5-15
8769-4-15
8769-5-15
8769-6-15
8769-7-15
–
–
–
8757-2.2
8757-2.5
8757-3
8757-3.5
8757-4
8757-5
8757-6
8757-7
8757-8
8757-10
8757-12
8775-2.2
8775-2.5
8775-3
8775-3.5
8775-4
8775-5
8775-6
8777-7-10
8777-8-10
8777-10-10
8777-12-10
8776-2.2
8776-2.5
8776-3
8776-3.5
8776-4
8776-5
8776-6
8777-7-15
8777-8-15
8777-10-15
8777-12-15
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
8755-8
8755-10
8756-10
8756-12
8753-12
–
–
–
–
–
8770-8
8770-10
8758-10
8758-12
8773-12
–
–
–
–
–
8764-8
8764-10
8759-10
8759-12
8774-12
8777-8-10
8777-10-10
8777-10-10
8777-12-10
8777-12-10
8777-8-15
8777-10-15
8777-10-15
8777-12-15
8777-12-15
NONE
REQ’D
NONE
REQ'D
*Tools for larger sizes or special applications are available upon request.
For evaluating space required for
installing Heli-Coil inserts with
standard manual, pneumatic and
electronic inserting tools and tang
break-off tools, the diagrams on
pages 29 & 31 give dimensions
of standard Heli-Coil tooling. For
special variations or adaptations,
contact the Applications
Engineering Department at
(203) 830-3274.
B
A
E
G
D
C
F
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Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
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CERTIFIED
!32EV"s)3/
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31
Heli-Coil® Ê«œÜiÀʈ˜ÃiÀ̈˜}Ê̜œÃ
Power Tool Holder
Electronic Power
Inserting Tool
Heli-Coil offers an electronic
power tool where electric power
is preferred over air. The slender
configuration of the mandrels
allows them to reach into
constricted areas. Electric power
meets the requirements of clean
room operations. Operators prefer
electric power because it is quieter.
The electronic tool is lighter to
minimize operator fatigue. Mandrel
assemblies are available to install
the sizes of Heli-Coil bulk loaded
inserts listed below.
Application Note: Variations in
Mandrel Assembly dimensions
and threads are available on
special order to meet individual
applications. For Mandrel
Assemblies to meet your special
conditions, please contact
Heli-Coil Applications Engineering
Department at (203) 830-3274.
The Power Tool Holder 23537
is mounted on a bench and the
appropriate air motor is attached to
a spring loaded air tube at the end of
a movable arm. A mounting arm is
also provided for attaching reels
of strip-feed inserts.
Pneumatic Power Tool
Installation Kit
This Heli-Coil power tool installation
kit (8522) contains an Air Motor
(8510-1), adapter, tools, a filterregulator-lubricator, oil, two quick
disconnect fittings, and wrenches.
All are packed in a portable molded
box with easy-to-follow operating
instructions. Front End Assemblies
may be ordered separately to fit
the sizes of Heli-Coil inserts to be
installed.
*œÜiÀÊ/œœÃÊÊ
ˆÌÊ/Þ«iÃÊ
Small Adapter Set
Large Adapter Set
CombinationSet
*œÜiÀÊ-Õ««ÞÊ
*É Ênäxä‡xä
ˆÌÊÊ
*>À̛Ê
8522
8521
8520
This power tool holder configuration
ensures accurate vertical (square
to work surface) installations of
Heli-Coil inserts in relatively large
parts. The tool holder is capable
of installing inserts within a radius
of 23.5 inches as well as on planes
differing by 3.5 inches. Example: Box
shape configurations.
-“>ÊÊ
>À}i
`>«ÌiÀÊÊ `>«ÌiÀ
Cordless Electric Tool
>˜`Ài
­ÃiiÊÌ>Li®
>˜`ÀiÊÀˆÛiÀÊ
*É Ênäxä‡{ää
iVÌÀœ˜ˆVÊ/œœÊ>˜`ÀiÊÃÃi“LÞ
32
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-ˆâiÊ­1 ®Ê
>˜`ÀiÊÃÃi“LÞ
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2(.086)-56
4(.112)-40
6(.138)-32
8(.164)-32
10(.190)-24
10(.190)-32
8051-02
8051-04
8051-06
8051-2
8051-3
10089-3
CERTIFIED
!32EV"s)3/
s)3/43
The Heli-Coil Cordless Tool is
a complete kit (7200) that
includes a driver, 2 batteries (720020), 15 minute charger and mandrel
chuck all in a durable metal box. The
cordless tool is portable, lightweight,
has adjustable torque
and uses standard
Heli-Coil electronic
tool installation
mandrels for quick
setup.
*É ÊÇÓää
www.emhart.com
"/\ This tool holder is recommended for use with the ӇxÈ]Ê
Ó°ÓÝä°{x and Ó°xÝä°{x air tools.
The tool holder also may be used
with the Heli-Coil Electronic
Inserting Tool.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Heli-Coil® Ì>˜}ÊÀi“œÛ>ÉiÝÌÀ>V̈œ˜Ê̜œÃ
Heli-Coil Tang
Break-Off Tools
The driving tangs of Heli-Coil inserts
must be removed to eliminate
their interference with the end of
the assembled bolt. Heli-Coil tang
break-off tools are available for
ÕÃiÊ܈̅ʈ˜ÃiÀÌÃÊ̅ÀœÕ}…Ê£ÉÓʈ˜V…Ê
and 12mm metric nominal diameter.
Their operation is automatic, having
a spring loaded, easily triggered
punch that strikes a sharp, uniform
blow against the tang of the installed
insert. The tool can be operated with
one hand.
Nominal
Thread
/œœÊ
,i«>Vi“i˜Ì
Ê
*>ÀÌÊ œ°Ê *՘V…Ê*>ÀÌÊ œ°
Size
UNIFIED COARSE THREAD (UNC)
1 (.073)-64
3695-01
3697-01
2 (.086)-56
3695-02
3697-02
3 (.099)-48
3695-02
3697-02
4 (.112)-40
3695-04
3697-04
5 (.125)-40
3695-04
3697-04
6 (.138)-32
3695-06
3697-06
8 (.164)-32
3695-2
3697-2
10 (.190)-24
3695-3
3697-3
12 (.216)-24
3695-3
3697-3
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UNIFIED FINE THREAD (UNF)
2 (.086)-64
3695-02
3697-02
3 (.099)-56
3695-02
3697-02
4 (.112)-48
3695-04
3697-04
6 (.138)-40
3695-06
3697-06
8 (.164)-36
3695-2
3697-2
10 (.190)-32
3695-3
3697-3
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Nominal
Thread
/œœÊ
,i«>Vi“i˜Ì
Ê
*>ÀÌÊ œ°Ê *՘V…Ê*>ÀÌÊ œ°
Size
METRIC COARSE
M2x0.4
4238-2
3697-01
M2.2x0 45
4238-2.2
3697-02
M2.5x0.45
4238-2.2
3697-02
M3x0.5
4238-3
3697-04
M3.5x0.6
4238-3
3697-04
M4x0.7
4238-4
3697-2
M5x0.8
4238-5
3697-3
M6x1
4238-6
3697-4
M7x1
4238-7
4436-7
M8x1.25
4238-8
3643-5
M10x1.25
4238-10
4436-10
M12x1.75
4238-12
4436-12
M8x1
M10x1
M10x1.25
M12x1.25
M12x1.5
METRIC FINE
4238-8
4238-10
4238-10
4238-12
4238-12
3643-5
4436-10
4436-10
4436-12
4436-12
œÌi\ÊTang break-off tools will break-off
tangs thru 2 diameter lengths.
œÀÊÓÊ£ÉÓʇÊÎÊ`ˆ>“iÌiÀʏi˜}̅Ã]Ê>``ʸ‡Îä¸Ê̜Ê
the standard part number (eg, 3695-01-30).
œÀÊÈâiÃʏ>À}iÀÊ̅>˜Ê£ÉӸʜÀʣӓ“]ÊÕÃiÊ
long nose pliers. Bend tang up and down
to snap off at notch.
Heli-Coil
Extracting Tools
Occasionally Heli-Coil inserts
must be removed. Inserts may
be removed manually with
little effort. This is done by
inserting the blade of the
extracting tool into the HeliCoil insert so that the V
section of the blade is
toward the top end of
the insert. Strike the head of the
tool with a light blow. Maintaining
a steady pressure of blade against
insert, turn the extracting tool
counterclockwise until the insert
is removed.
œ“ˆ˜>Ê/…Ài>`Ê-ˆâiÊ
˜V…Ê
iÌÀˆVÊ
1
M2
2
M2.2
3 thru 8
M2.5 thru M4
£äÊ̅ÀÕÊÎÉn¸Ê
xÊ̅ÀÕÊ£äÊ
ÇɣȸÊ̅ÀÕÊ£¸Ê
££Ê̅ÀÕÊÓ{Ê
£‡£Én¸Ê̅ÀÕÊ£‡£ÉÓ¸Ê
ÓÇÊ̅ÀÕÊΙÊ
ÝÌÀ>V̈˜}Ê/œœ
*>ÀÌÊ œ°
1227-01
1227-02
1227-06
£ÓÓLJÈ
£ÓÓLJ£È
£ÓÓLJÓ{
/œ«Ê6ˆiÜÊ-…œÜ˜
Right & wrong
blade positions of
insert extracting
tool.
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
RIGHT
WRONG
www.emhart.com
CERTIFIED
!32EV"s)3/
s)3/43
33
Heli-Coil® Tangless® tools
Installation and Removal Tools
Tangless® inserts may be installed by
hand or electronic power tooling with
the same mandrel assembly.
Strip-feed reels,
available in all sizes
8050-400C
Front end assemblies are also
available for pneumatic power tooling.
UÊ /œœˆ˜}ÊṎˆâiÃÊ>ʺL>`i»Ê̅>ÌÊÊÊ
applies torque to a notch in the
end of the coil for installation.
8050-50
Electronic tool & power supply
UÊ ˜ÃÌ>>̈œ˜Ê`i«Ì…ÊV>˜ÊLiÊ>`ÕÃÌi`ÊÊ
easily for virtually any application.
UÊ ÀˆÛˆ˜}ÊL>`iÃÊ>ÀiÊÀi«>Vi>LiÊ
and increase the overall life of
the tool.
Hand installation tool
Heli-Coil Tangless® Hand Installation Tooling
Heli-Coil Tangless® Power Tooling***
Nominal
Hand
Replacement Installation Removal Tool Electronic
Thread
Installation Tool
Blade Kit**
(with handles) Driver*
Size
Crank Style Gauge Style Crank Style Gauge Style
2-56
4-40
6-32
8-32
10-24
1/4-20
10-32
1/4-28
17551-02
17551-04
17551-06
17551-2
17551-3
17551-4
17552-3
17552-4
7571-02
7571-04
7571-06
7571-2
7571-3
7571-4
7572-3
N/A
17551-02-5
17551-04-5
17551-06-5
17551-2-5
17551-3-5
17551-4-5
17552-3-5
17552-4-5
7571-02-5
7571-04-5
7571-06-5
7571-2-5
7571-3-5
7571-4-5
7572-3-5
7572-4-5
7570-02
7570-04
7570-06
7570-2
7570-3
7570-4
7570-3
7570-4
8050-400C
8050-400C
8050-400C
8050-400C
8050-650C
8050-650C
8050-650C
8050-650C
Front End Assembly
Nominal
2-56
4-40
6-32
8-32
10-24
10-32
1/4-20
1/4-28
Nominal
Thread
Size
B
.164
Installation mandrel w/handle assembly
A
.562
Adjusting/removal tool (shown w/o handle)
2.25
.250
Note: Installation mandrel and adjusting/removal tool
designed for use with both handle and electronic tool.
CERTIFIED
!32EV"s)3/
s)3/43
2-56
4-40
6-32
8-32
10-24
1/4-20
10-32
1/4-28
18551-02-15
18551-04-15
18551-06-15
18551-2-15
18551-3-15
18551-4-15
18552-3-15
18552-4-15
Replacement
Mandrel
Assembly
Replacement
Blade
18551-02-30
18551-04-30
18551-06-30
18551-2-30
18551-3-30
18551-4-30
18552-3-30
18552-4-30
18551-02-2
18551-04-2
18551-06-2
18551-2-2
18551-3-2
18551-4-2
18552-3-2
18552-4-2
Front End Assembly Dimensions
A
B
C
Nose Diameter
Body Diameter
Prewinder Tip Length
.32
.25
.32
.35
.38
.38
.42
.42
.32
.40
.50
.51
.51
.51
.63
.63
.09
.13
.14
.15
.19
.15
.22
.22
Installation Tool Dimensions
Installation mandrel only
34
Front End
Assembly
*** For use with Heli-Coil ® Pneumatic Installation Tools & Adapters.
* An electronic driver requires a power supply, part number 8050-50.
** Includes blade, spring and pin.
C
.375
Nominal
Thread
Size
www.emhart.com
2-56
4-40
6-32
8-32
10-24
10-32
1/4-20
1/4-28
“A”
Overall Length
(reference)
“B”
Mandrel
Length
5.33
5.43
5.53
5.68
5.53
5.53
5.53
5.53
2.80
2.90
3.00
3.15
3.00
3.00
3.00
3.00
“C”
Spinner
Diameter
.240
.240
.360
.360
.370
.370
.370
.370
Emhart Teknologies, Shelton, CT U Tel. (877) EMHART-1 U Fax (800) 225-5614
Canada (514) 351-0330 U Mexico +52-55-5326-7100
Emhart Teknologies
Emhart applies unconventional
POP Blind Riveting Systems offer an
thinking and innovation, routinely
combining multiple technologies in
new ways to create cost-effective
assembly systems. Focused on intimate
customer relationships in every phase of
the manufacturing process, Emhart provides
assembly solutions through computerbased modeling and value analysis from
mobile and stationary innovation centers
located around the Globe and online at
www.emhart.com.
extensive range of blind rivets, handpowered and automated-setting systems
for every blind rivet application. POP’s
extensive experience and commitment to
product breakthroughs provide both onand off-the-shelf products and systems.
Dodge Threaded Inserts for plastics
are designed to provide strong metal
threads in soft materials. Dodge inserts
are installed in a variety of ways including
semi- and full automation using ultrasonic
welding, hot or cold press-in, mold-in
and self-threading.
• Application and Product Development
• Pre-production Prototyping and
Sampling
• Extensive Product Range
• Installation Equipment Coordination
Parker-Kalon
Product Portfolio
specialty threaded
fasteners set the industry standard for
quality and consistency, providing high
performance assembly for metal, plastic
and masonry applications.
• Value-added design and engineering
services
• ISO 9100 Rev. B, ISO 9001: 2000 and
ISO/TS16949: 2002 Certified
• Thread rolling, thread forming and
self-drilling screws
• Assembled screws
• Weld screws and weld pins
• Lightweight, Vibration-proof Assembly
• High Grip and Pull-up Strengths
• Exceptional Versatility and Design
Flexibility
• Extensive Installation and Processing
Equipment
Tucker Assembly
Systems from fully automated
drawn ARC stud, Nut (Nut-Fast) and
bracket (Weldfast) welding to automatic
plastic clip assembly and self-piercing
riveting. Tucker supplies the most
innovative and cost-effective assembly
systems in the world.
• Application-Based Product Design
• Full System Approach
• Performance Monitoring, SelfCompensation and Diagnostics
• Production Line Integration
POP NUT
Blind Rivet Nuts are
designed to provide high quality load
bearing threads in thin wall applications
including sheet metal, tubing, extrusions,
plastics and other materials. Installation
tooling uses Spin-pull technology and
requires access to only one side of the
workpiece.
Gripco Prevailing torque nuts and
assemblies are an integral part of OEM
assembly operations, providing exceptional
performance and simplification of the
assembly process.
• Application and Standards Engineering
• Extensive Product Selection
• Cold and Hot Forming
• Heat Treating and Plating
Your global resource for precision
formed screw thread wire inserts.
AMERICAS
UNITED KINGDOM
United States
Connecticut
50 Shelton Technology Center
P.O. Box 859
Shelton, CT 06484 USA
Tel. 877-EMHART1
Fax. 800-225-5614
177 Walsall Road
Perry Barr
Birmingham
B42 1BP
United Kingdom
Tel. +44 (0) 121 356 4811
Fax. +44 (0) 121 356 1598
Connecticut
Shelter Rock Lane
Danbury, CT 06810 USA
Tel. 203-790-5000
Fax. 203-778-8409
Canada
9870 Boul. du Golf
Anjou, Québec, Canada
H1J 2Y7
Tel. 514-351-0330
Fax. 514-351-0458
Brazil
Rua Ricardo Cavatton, 226 - LAPA
São Paulo - SP - Brazil
CEP 05038-110
Tel. +55 (11) 3871-6460
Fax. +55 (11) 3611-3508
Mexico
Bosque de Radiatas No 42
Bosques de las Lomas
05120 Mexico, D.F.
Tel. +52-55-5326-7100
Fax. +52-55-5326-7141
ASIA PACIFIC
EUROPE
Denmark
Faverland 1B
DK-2600 Glostrup
Denmark
Tel. +45 44 84 11 00
Fax. +45 44 84 62 12
Finland
Hyttmästargränden 4
FIN 027 80 ESBO
Finland
Tel. +358 9 8190060
Fax. +358 9 812428
France
Z.A. des Petits Carreaux
Bâtiment Haute Technologie N° 8 Lot B
2 Bis, Avenue des Coquelicots
94385 BONNEUIL-SUR-MARNE
France
Tel. 33-1-56 71 24 24
Fax. 33-1-56 71 24 34
Italy
Via Buenos Aires 27
1-1 01 34 Torino, Italy
Tel. 39-011-317-3964/5
Fax. 39-011-317-4830
Norway
Postboks 153, Leirdal
1009 Oslo
Norway
Tel. +47 22 90 99 90
Fax. +47 22 90 99 80
P. R. China
488 Jiatang Road
Jiading District, Shanghai 201807
People’s Republic of China
Tel. 86-21-5954-8626
Fax. 86-21-5954-8775
Japan
Shuwa Kioicho Park Building 3F
3-6 Kioicho, Chiyoda-Ku
Tokyo 102-0094, Japan
Tel. 81-03-3265-7291
Fax. 81-03-3265-7298
Korea
Rm 609, Seorin Bldg.
45-15 Yeoido-Dong,
Yeongdeungpo-Ku
Seoul, 150-891, R.O. Korea
Tel. 82-2-783-9226 -7
Fax. 82-2-783-9228 -9
LICENSED HELI-COIL
MANUFACTURERS
Continental Europe &
South America
Böllhoff GmbH
Archimedesstrasse 1-4
Postfach 14 02 40
D-33649 Bielefeld
Germany
Tel. (0521) 4482 232
Fax. (0521) 4482 3371
Internet: www.boellhoff.de
Spain
Carretera M300, Km. 29,700
28802 Alcalá de Henares (Madrid) Spain
Tel. 34 91 887 14 70
Fax. 34 91 882 36 02
Sweden
Skjutbanevägen 6
S-701 44 Örebro
Sweden
Tel. +46 19 20 58 00
Fax. +46 19 26 00 38
© 2008 Emhart Teknologies
www.emhart.com
HC2000 Rev 4 (08/08) 10M
DODGE
DRIL-KWICK
GRIPCO
GRIPCO ASSEMBLIES
HELI- COIL
JACK NUT
KALEI
NPR
NUT-FAST
PARABOLT
PARKER- KALON
PLASTIFAST
PLASTI-KWICK
POP
POP-LOK
POPMATIC
POP NUT
POP-SERT
POWERLINK 30
PRIMER FREE
SPLITFAST
SWAGEFORM
SWS
T-RIVET
TUCKER
ULTRA- GRIP
WARREN
WELDFAST
WELL NUT

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